<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=11"/>
<meta name="generator" content="Doxygen 1.9.8"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>libcoap: option.c Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="resize.js"></script>
<script type="text/javascript" src="navtreedata.js"></script>
<script type="text/javascript" src="navtree.js"></script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/searchdata.js"></script>
<script type="text/javascript" src="search/search.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
 <tbody>
 <tr id="projectrow">
  <td id="projectalign">
   <div id="projectname">libcoap<span id="projectnumber">&#160;4.2.0</span>
   </div>
  </td>
 </tr>
 </tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.9.8 -->
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
var searchBox = new SearchBox("searchBox", "search/",'.html');
/* @license-end */
</script>
<script type="text/javascript" src="menudata.js"></script>
<script type="text/javascript" src="menu.js"></script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
$(function() {
  initMenu('',true,false,'search.php','Search');
  $(document).ready(function() { init_search(); });
});
/* @license-end */
</script>
<div id="main-nav"></div>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
$(document).ready(function() { init_codefold(0); });
/* @license-end */
</script>
</div><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
  <div id="nav-tree">
    <div id="nav-tree-contents">
      <div id="nav-sync" class="sync"></div>
    </div>
  </div>
  <div id="splitbar" style="-moz-user-select:none;" 
       class="ui-resizable-handle">
  </div>
</div>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
$(document).ready(function(){initNavTree('option_8c_source.html',''); initResizable(); });
/* @license-end */
</script>
<div id="doc-content">
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
     onmouseover="return searchBox.OnSearchSelectShow()"
     onmouseout="return searchBox.OnSearchSelectHide()"
     onkeydown="return searchBox.OnSearchSelectKey(event)">
</div>

<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<div id="MSearchResults">
<div class="SRPage">
<div id="SRIndex">
<div id="SRResults"></div>
<div class="SRStatus" id="Loading">Loading...</div>
<div class="SRStatus" id="Searching">Searching...</div>
<div class="SRStatus" id="NoMatches">No Matches</div>
</div>
</div>
</div>
</div>

<div class="header">
  <div class="headertitle"><div class="title">option.c</div></div>
</div><!--header-->
<div class="contents">
<a href="option_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/*</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment"> * option.c -- helpers for handling options in CoAP PDUs</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment"> *</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"> * Copyright (C) 2010-2013 Olaf Bergmann &lt;bergmann@tzi.org&gt;</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment"> *</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment"> * This file is part of the CoAP library libcoap. Please see</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment"> * README for terms of use.</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment"> */</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span> </div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span> </div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="preprocessor">#include &quot;coap_config.h&quot;</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span> </div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="preprocessor">#if defined(HAVE_ASSERT_H) &amp;&amp; !defined(assert)</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="preprocessor"># include &lt;assert.h&gt;</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span> </div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="preprocessor">#include &lt;stdio.h&gt;</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="preprocessor">#include &lt;string.h&gt;</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span> </div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span><span class="preprocessor">#include &quot;<a class="code" href="libcoap_8h.html">libcoap.h</a>&quot;</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="preprocessor">#include &quot;<a class="code" href="option_8h.html">option.h</a>&quot;</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="preprocessor">#include &quot;<a class="code" href="encode_8h.html">encode.h</a>&quot;</span>                <span class="comment">/* for coap_fls() */</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="preprocessor">#include &quot;<a class="code" href="coap__debug_8h.html">coap_debug.h</a>&quot;</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="preprocessor">#include &quot;<a class="code" href="mem_8h.html">mem.h</a>&quot;</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span><span class="preprocessor">#include &quot;<a class="code" href="utlist_8h.html">utlist.h</a>&quot;</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span> </div>
<div class="foldopen" id="foldopen00027" data-start="" data-end="">
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"><a class="line" href="option_8c.html#aa97d453559cd009ef64585357f891d4b">   27</a></span><span class="preprocessor">#define ADVANCE_OPT(o,e,step) if ((e) &lt; step) {           \</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span><span class="preprocessor">    coap_log(LOG_DEBUG, &quot;cannot advance opt past end\n&quot;); \</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span><span class="preprocessor">    return 0;                                             \</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="preprocessor">  } else {                                                \</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="preprocessor">    (e) -= step;                                          \</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span><span class="preprocessor">    (o) = ((o)) + step;                                   \</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="preprocessor">  }</span></div>
</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span> </div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><span class="comment">/*</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="comment"> * Used to prevent access to *opt when pointing to after end of buffer</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span><span class="comment"> * after doing a ADVANCE_OPT()</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span><span class="comment"> */</span></div>
<div class="foldopen" id="foldopen00039" data-start="" data-end="">
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"><a class="line" href="option_8c.html#a553720c443388c45dcc81cf5a3e2979f">   39</a></span><span class="preprocessor">#define ADVANCE_OPT_CHECK(o,e,step) do { \</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span><span class="preprocessor">    ADVANCE_OPT(o,e,step);               \</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span><span class="preprocessor">    if ((e) &lt; 1)                         \</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span><span class="preprocessor">      return 0;                          \</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span><span class="preprocessor">  } while (0)</span></div>
</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span> </div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span><span class="keywordtype">size_t</span></div>
<div class="foldopen" id="foldopen00046" data-start="{" data-end="}">
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"><a class="line" href="option_8c.html#a11de99f50cc9f5a34fd9e4d121ecfd13">   46</a></span><a class="code hl_function" href="option_8c.html#a11de99f50cc9f5a34fd9e4d121ecfd13">coap_opt_parse</a>(<span class="keyword">const</span> <a class="code hl_typedef" href="option_8h.html#a963ad4994625360a5ac70d9df2ab5412">coap_opt_t</a> *opt, <span class="keywordtype">size_t</span> length, <a class="code hl_struct" href="structcoap__option__t.html">coap_option_t</a> *result) {</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span> </div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span>  <span class="keyword">const</span> <a class="code hl_typedef" href="option_8h.html#a963ad4994625360a5ac70d9df2ab5412">coap_opt_t</a> *opt_start = opt; <span class="comment">/* store where parsing starts  */</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span> </div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span>  <a class="code hl_define" href="mem_8c.html#a3d4ae9c092e117c836f52dc7d7cee574">assert</a>(opt); <a class="code hl_define" href="mem_8c.html#a3d4ae9c092e117c836f52dc7d7cee574">assert</a>(result);</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span> </div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span>  <span class="keywordflow">if</span> (length &lt; 1)</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span>    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span> </div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span>  result-&gt;<a class="code hl_variable" href="structcoap__option__t.html#a8c6a106a9200c0241f14fcfa22a64176">delta</a> = (*opt &amp; 0xf0) &gt;&gt; 4;</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span>  result-&gt;<a class="code hl_variable" href="structcoap__option__t.html#af0e531c8722b480d4ca317b1679a954f">length</a> = *opt &amp; 0x0f;</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span> </div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span>  <span class="keywordflow">switch</span>(result-&gt;<a class="code hl_variable" href="structcoap__option__t.html#a8c6a106a9200c0241f14fcfa22a64176">delta</a>) {</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span>  <span class="keywordflow">case</span> 15:</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span>    <span class="keywordflow">if</span> (*opt != <a class="code hl_define" href="pdu_8h.html#ad46f0093ab0b2b969651b0d45d9bf8d0">COAP_PAYLOAD_START</a>) {</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span>      <a class="code hl_define" href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a>(<a class="code hl_enumvalue" href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446ab9f002c6ffbfd511da8090213227454e">LOG_DEBUG</a>, <span class="stringliteral">&quot;ignored reserved option delta 15\n&quot;</span>);</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span>    }</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span>    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span>  <span class="keywordflow">case</span> 14:</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span>    <span class="comment">/* Handle two-byte value: First, the MSB + 269 is stored as delta value.</span></div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span><span class="comment">     * After that, the option pointer is advanced to the LSB which is handled</span></div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span><span class="comment">     * just like case delta == 13. */</span></div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span>    <a class="code hl_define" href="option_8c.html#a553720c443388c45dcc81cf5a3e2979f">ADVANCE_OPT_CHECK</a>(opt,length,1);</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span>    result-&gt;<a class="code hl_variable" href="structcoap__option__t.html#a8c6a106a9200c0241f14fcfa22a64176">delta</a> = ((*opt &amp; 0xff) &lt;&lt; 8) + 269;</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span>    <span class="keywordflow">if</span> (result-&gt;<a class="code hl_variable" href="structcoap__option__t.html#a8c6a106a9200c0241f14fcfa22a64176">delta</a> &lt; 269) {</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span>      <a class="code hl_define" href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a>(<a class="code hl_enumvalue" href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446ab9f002c6ffbfd511da8090213227454e">LOG_DEBUG</a>, <span class="stringliteral">&quot;delta too large\n&quot;</span>);</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span>      <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span>    }</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span>    <span class="comment">/* fall through */</span></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span>  <span class="keywordflow">case</span> 13:</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span>    <a class="code hl_define" href="option_8c.html#a553720c443388c45dcc81cf5a3e2979f">ADVANCE_OPT_CHECK</a>(opt,length,1);</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span>    result-&gt;<a class="code hl_variable" href="structcoap__option__t.html#a8c6a106a9200c0241f14fcfa22a64176">delta</a> += *opt &amp; 0xff;</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span>    <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span> </div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span>    ;</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span>  }</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span> </div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span>  <span class="keywordflow">switch</span>(result-&gt;<a class="code hl_variable" href="structcoap__option__t.html#af0e531c8722b480d4ca317b1679a954f">length</a>) {</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span>  <span class="keywordflow">case</span> 15:</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span>    <a class="code hl_define" href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a>(<a class="code hl_enumvalue" href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446ab9f002c6ffbfd511da8090213227454e">LOG_DEBUG</a>, <span class="stringliteral">&quot;found reserved option length 15\n&quot;</span>);</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span>    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span>  <span class="keywordflow">case</span> 14:</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span>    <span class="comment">/* Handle two-byte value: First, the MSB + 269 is stored as delta value.</span></div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span><span class="comment">     * After that, the option pointer is advanced to the LSB which is handled</span></div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span><span class="comment">     * just like case delta == 13. */</span></div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span>    <a class="code hl_define" href="option_8c.html#a553720c443388c45dcc81cf5a3e2979f">ADVANCE_OPT_CHECK</a>(opt,length,1);</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span>    result-&gt;<a class="code hl_variable" href="structcoap__option__t.html#af0e531c8722b480d4ca317b1679a954f">length</a> = ((*opt &amp; 0xff) &lt;&lt; 8) + 269;</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span>    <span class="comment">/* fall through */</span></div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span>  <span class="keywordflow">case</span> 13:</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span>    <a class="code hl_define" href="option_8c.html#a553720c443388c45dcc81cf5a3e2979f">ADVANCE_OPT_CHECK</a>(opt,length,1);</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span>    result-&gt;<a class="code hl_variable" href="structcoap__option__t.html#af0e531c8722b480d4ca317b1679a954f">length</a> += *opt &amp; 0xff;</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span>    <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span> </div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span>    ;</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span>  }</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span> </div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span>  <span class="comment">/* ADVANCE_OPT() is correct here */</span></div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span>  <a class="code hl_define" href="option_8c.html#aa97d453559cd009ef64585357f891d4b">ADVANCE_OPT</a>(opt,length,1);</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span>  <span class="comment">/* opt now points to value, if present */</span></div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span> </div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span>  result-&gt;<a class="code hl_variable" href="structcoap__option__t.html#a2358e06e4a5b548cf7f67b398ed24322">value</a> = opt;</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span>  <span class="keywordflow">if</span> (length &lt; result-&gt;length) {</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span>    <a class="code hl_define" href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a>(<a class="code hl_enumvalue" href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446ab9f002c6ffbfd511da8090213227454e">LOG_DEBUG</a>, <span class="stringliteral">&quot;invalid option length\n&quot;</span>);</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span>    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span>  }</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span> </div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span><span class="preprocessor">#undef ADVANCE_OPT</span></div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span><span class="preprocessor">#undef ADVANCE_OPT_CHECK</span></div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span> </div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span>  <span class="keywordflow">return</span> (opt + result-&gt;<a class="code hl_variable" href="structcoap__option__t.html#af0e531c8722b480d4ca317b1679a954f">length</a>) - opt_start;</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span>}</div>
</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span> </div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span><a class="code hl_struct" href="structcoap__opt__iterator__t.html">coap_opt_iterator_t</a> *</div>
<div class="foldopen" id="foldopen00121" data-start="{" data-end="}">
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"><a class="line" href="group__opt__filter.html#gaa76930050882387b0f5c7d0246e14440">  121</a></span><a class="code hl_function" href="group__opt__filter.html#gaa76930050882387b0f5c7d0246e14440">coap_option_iterator_init</a>(<span class="keyword">const</span> <a class="code hl_struct" href="structcoap__pdu__t.html">coap_pdu_t</a> *pdu, <a class="code hl_struct" href="structcoap__opt__iterator__t.html">coap_opt_iterator_t</a> *oi,</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span>                          <span class="keyword">const</span> <a class="code hl_typedef" href="group__opt__filter.html#ga001c5b06ae9e02996509516871cb69a8">coap_opt_filter_t</a> filter) {</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span>  <a class="code hl_define" href="mem_8c.html#a3d4ae9c092e117c836f52dc7d7cee574">assert</a>(pdu);</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span>  <a class="code hl_define" href="mem_8c.html#a3d4ae9c092e117c836f52dc7d7cee574">assert</a>(pdu-&gt;<a class="code hl_variable" href="structcoap__pdu__t.html#a3c42c790abb815d722fbebcd7702a200">token</a>);</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span>  <a class="code hl_define" href="mem_8c.html#a3d4ae9c092e117c836f52dc7d7cee574">assert</a>(oi);</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span> </div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span>  memset(oi, 0, <span class="keyword">sizeof</span>(<a class="code hl_struct" href="structcoap__opt__iterator__t.html">coap_opt_iterator_t</a>));</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span> </div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span>  oi-&gt;<a class="code hl_variable" href="structcoap__opt__iterator__t.html#a05da7c127d28e7ba39d7186169596f6a">next_option</a> = pdu-&gt;<a class="code hl_variable" href="structcoap__pdu__t.html#a3c42c790abb815d722fbebcd7702a200">token</a> + pdu-&gt;<a class="code hl_variable" href="structcoap__pdu__t.html#a8c05f6d455ff81d7751ddb61233a455b">token_length</a>;</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span>  <span class="keywordflow">if</span> (pdu-&gt;<a class="code hl_variable" href="structcoap__pdu__t.html#a3c42c790abb815d722fbebcd7702a200">token</a> + pdu-&gt;<a class="code hl_variable" href="structcoap__pdu__t.html#ac5018459a3078a5b896119d7464cb273">used_size</a> &lt;= oi-&gt;<a class="code hl_variable" href="structcoap__opt__iterator__t.html#a05da7c127d28e7ba39d7186169596f6a">next_option</a>) {</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span>    oi-&gt;<a class="code hl_variable" href="structcoap__opt__iterator__t.html#a48cbd8005c37ff481fe7d10cfc1f4bb6">bad</a> = 1;</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span>    <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span>  }</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span> </div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span>  oi-&gt;<a class="code hl_variable" href="structcoap__opt__iterator__t.html#a4f8dcbdb5373cb073b95f8c91a72cb0c">length</a> = pdu-&gt;<a class="code hl_variable" href="structcoap__pdu__t.html#ac5018459a3078a5b896119d7464cb273">used_size</a> - pdu-&gt;<a class="code hl_variable" href="structcoap__pdu__t.html#a8c05f6d455ff81d7751ddb61233a455b">token_length</a>;</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span> </div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span>  <span class="keywordflow">if</span> (filter) {</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span>    memcpy(oi-&gt;<a class="code hl_variable" href="structcoap__opt__iterator__t.html#a40a864c48b367abcaed1afa30621f405">filter</a>, filter, <span class="keyword">sizeof</span>(<a class="code hl_typedef" href="group__opt__filter.html#ga001c5b06ae9e02996509516871cb69a8">coap_opt_filter_t</a>));</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span>    oi-&gt;<a class="code hl_variable" href="structcoap__opt__iterator__t.html#a6fed563dd49b61f28a275cd2f8c6f6a8">filtered</a> = 1;</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span>  }</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span>  <span class="keywordflow">return</span> oi;</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span>}</div>
</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span> </div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span><a class="code hl_define" href="libcoap_8h.html#a58b4446dccd0b8c21b3532ef6b77a57d">COAP_STATIC_INLINE</a> <span class="keywordtype">int</span></div>
<div class="foldopen" id="foldopen00145" data-start="{" data-end="}">
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"><a class="line" href="option_8c.html#a70fa9db0450134640b80cbf7c3720688">  145</a></span><a class="code hl_function" href="option_8c.html#a70fa9db0450134640b80cbf7c3720688">opt_finished</a>(<a class="code hl_struct" href="structcoap__opt__iterator__t.html">coap_opt_iterator_t</a> *oi) {</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span>  <a class="code hl_define" href="mem_8c.html#a3d4ae9c092e117c836f52dc7d7cee574">assert</a>(oi);</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span> </div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span>  <span class="keywordflow">if</span> (oi-&gt;<a class="code hl_variable" href="structcoap__opt__iterator__t.html#a48cbd8005c37ff481fe7d10cfc1f4bb6">bad</a> || oi-&gt;<a class="code hl_variable" href="structcoap__opt__iterator__t.html#a4f8dcbdb5373cb073b95f8c91a72cb0c">length</a> == 0 ||</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span>      !oi-&gt;<a class="code hl_variable" href="structcoap__opt__iterator__t.html#a05da7c127d28e7ba39d7186169596f6a">next_option</a> || *oi-&gt;<a class="code hl_variable" href="structcoap__opt__iterator__t.html#a05da7c127d28e7ba39d7186169596f6a">next_option</a> == <a class="code hl_define" href="pdu_8h.html#ad46f0093ab0b2b969651b0d45d9bf8d0">COAP_PAYLOAD_START</a>) {</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span>    oi-&gt;<a class="code hl_variable" href="structcoap__opt__iterator__t.html#a48cbd8005c37ff481fe7d10cfc1f4bb6">bad</a> = 1;</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span>  }</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span> </div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span>  <span class="keywordflow">return</span> oi-&gt;<a class="code hl_variable" href="structcoap__opt__iterator__t.html#a48cbd8005c37ff481fe7d10cfc1f4bb6">bad</a>;</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span>}</div>
</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span> </div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span><a class="code hl_typedef" href="option_8h.html#a963ad4994625360a5ac70d9df2ab5412">coap_opt_t</a> *</div>
<div class="foldopen" id="foldopen00157" data-start="{" data-end="}">
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"><a class="line" href="group__opt__filter.html#ga19d4dbbc03ef362996964fbfdd1d4c7b">  157</a></span><a class="code hl_function" href="group__opt__filter.html#ga19d4dbbc03ef362996964fbfdd1d4c7b">coap_option_next</a>(<a class="code hl_struct" href="structcoap__opt__iterator__t.html">coap_opt_iterator_t</a> *oi) {</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span>  <a class="code hl_struct" href="structcoap__option__t.html">coap_option_t</a> option;</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span>  <a class="code hl_typedef" href="option_8h.html#a963ad4994625360a5ac70d9df2ab5412">coap_opt_t</a> *current_opt = NULL;</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span>  <span class="keywordtype">size_t</span> optsize;</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span>  <span class="keywordtype">int</span> b;                   <span class="comment">/* to store result of coap_option_getb() */</span></div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span> </div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span>  <a class="code hl_define" href="mem_8c.html#a3d4ae9c092e117c836f52dc7d7cee574">assert</a>(oi);</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span> </div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span>  <span class="keywordflow">if</span> (<a class="code hl_function" href="option_8c.html#a70fa9db0450134640b80cbf7c3720688">opt_finished</a>(oi))</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span>    <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span> </div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span>  <span class="keywordflow">while</span> (1) {</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span>    <span class="comment">/* oi-&gt;option always points to the next option to deliver; as</span></div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span><span class="comment">     * opt_finished() filters out any bad conditions, we can assume that</span></div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span><span class="comment">     * oi-&gt;option is valid. */</span></div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span>    current_opt = oi-&gt;<a class="code hl_variable" href="structcoap__opt__iterator__t.html#a05da7c127d28e7ba39d7186169596f6a">next_option</a>;</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span> </div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span>    <span class="comment">/* Advance internal pointer to next option, skipping any option that</span></div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span><span class="comment">     * is not included in oi-&gt;filter. */</span></div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span>    optsize = <a class="code hl_function" href="option_8c.html#a11de99f50cc9f5a34fd9e4d121ecfd13">coap_opt_parse</a>(oi-&gt;<a class="code hl_variable" href="structcoap__opt__iterator__t.html#a05da7c127d28e7ba39d7186169596f6a">next_option</a>, oi-&gt;<a class="code hl_variable" href="structcoap__opt__iterator__t.html#a4f8dcbdb5373cb073b95f8c91a72cb0c">length</a>, &amp;option);</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span>    <span class="keywordflow">if</span> (optsize) {</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span>      <a class="code hl_define" href="mem_8c.html#a3d4ae9c092e117c836f52dc7d7cee574">assert</a>(optsize &lt;= oi-&gt;length);</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span> </div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span>      oi-&gt;<a class="code hl_variable" href="structcoap__opt__iterator__t.html#a05da7c127d28e7ba39d7186169596f6a">next_option</a> += optsize;</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span>      oi-&gt;<a class="code hl_variable" href="structcoap__opt__iterator__t.html#a4f8dcbdb5373cb073b95f8c91a72cb0c">length</a> -= optsize;</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span> </div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno">  183</span>      oi-&gt;<a class="code hl_variable" href="structcoap__opt__iterator__t.html#a0df30f4a2bb85deb3d493fded6967b9d">type</a> += option.<a class="code hl_variable" href="structcoap__option__t.html#a8c6a106a9200c0241f14fcfa22a64176">delta</a>;</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno">  184</span>    } <span class="keywordflow">else</span> {                        <span class="comment">/* current option is malformed */</span></div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno">  185</span>      oi-&gt;<a class="code hl_variable" href="structcoap__opt__iterator__t.html#a48cbd8005c37ff481fe7d10cfc1f4bb6">bad</a> = 1;</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span>      <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno">  187</span>    }</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span> </div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span>    <span class="comment">/* Exit the while loop when:</span></div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span><span class="comment">     *   - no filtering is done at all</span></div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span><span class="comment">     *   - the filter matches for the current option</span></div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno">  192</span><span class="comment">     *   - the filter is too small for the current option number</span></div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno">  193</span><span class="comment">     */</span></div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span>    <span class="keywordflow">if</span> (!oi-&gt;<a class="code hl_variable" href="structcoap__opt__iterator__t.html#a6fed563dd49b61f28a275cd2f8c6f6a8">filtered</a> ||</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span>        (b = <a class="code hl_function" href="group__opt__filter.html#ga6c7511c51433cf52068a92a18e62e2d3">coap_option_getb</a>(oi-&gt;<a class="code hl_variable" href="structcoap__opt__iterator__t.html#a40a864c48b367abcaed1afa30621f405">filter</a>, oi-&gt;<a class="code hl_variable" href="structcoap__opt__iterator__t.html#a0df30f4a2bb85deb3d493fded6967b9d">type</a>)) &gt; 0)</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno">  196</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno">  197</span>    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (b &lt; 0) {                <span class="comment">/* filter too small, cannot proceed */</span></div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno">  198</span>      oi-&gt;<a class="code hl_variable" href="structcoap__opt__iterator__t.html#a48cbd8005c37ff481fe7d10cfc1f4bb6">bad</a> = 1;</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno">  199</span>      <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno">  200</span>    }</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span>  }</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno">  202</span> </div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span>  <span class="keywordflow">return</span> current_opt;</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span>}</div>
</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span> </div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span><a class="code hl_typedef" href="option_8h.html#a963ad4994625360a5ac70d9df2ab5412">coap_opt_t</a> *</div>
<div class="foldopen" id="foldopen00207" data-start="{" data-end="}">
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"><a class="line" href="group__opt__filter.html#ga35c348f1ce988e6788930a710f4535c9">  207</a></span><a class="code hl_function" href="group__opt__filter.html#ga35c348f1ce988e6788930a710f4535c9">coap_check_option</a>(<a class="code hl_struct" href="structcoap__pdu__t.html">coap_pdu_t</a> *pdu, uint16_t type,</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span>                  <a class="code hl_struct" href="structcoap__opt__iterator__t.html">coap_opt_iterator_t</a> *oi) {</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span>  <a class="code hl_typedef" href="group__opt__filter.html#ga001c5b06ae9e02996509516871cb69a8">coap_opt_filter_t</a> f;</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span> </div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno">  211</span>  <a class="code hl_function" href="group__opt__filter.html#ga883885e793388359ef93d195bdbb4c2c">coap_option_filter_clear</a>(f);</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span>  <a class="code hl_function" href="group__opt__filter.html#ga6b9ade4855f4440b3311296c03bc12aa">coap_option_setb</a>(f, type);</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno">  213</span> </div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno">  214</span>  <a class="code hl_function" href="group__opt__filter.html#gaa76930050882387b0f5c7d0246e14440">coap_option_iterator_init</a>(pdu, oi, f);</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span> </div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span>  <span class="keywordflow">return</span> <a class="code hl_function" href="group__opt__filter.html#ga19d4dbbc03ef362996964fbfdd1d4c7b">coap_option_next</a>(oi);</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span>}</div>
</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno">  218</span> </div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno">  219</span>uint16_t</div>
<div class="foldopen" id="foldopen00220" data-start="{" data-end="}">
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"><a class="line" href="group__opt__filter.html#gae6aced1ef1014a692f68b3a13c7d6b70">  220</a></span><a class="code hl_function" href="group__opt__filter.html#gae6aced1ef1014a692f68b3a13c7d6b70">coap_opt_delta</a>(<span class="keyword">const</span> <a class="code hl_typedef" href="option_8h.html#a963ad4994625360a5ac70d9df2ab5412">coap_opt_t</a> *opt) {</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno">  221</span>  uint16_t n;</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span> </div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span>  n = (*opt++ &amp; 0xf0) &gt;&gt; 4;</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno">  224</span> </div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span>  <span class="keywordflow">switch</span> (n) {</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span>  <span class="keywordflow">case</span> 15: <span class="comment">/* error */</span></div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno">  227</span>    <a class="code hl_define" href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a>(<a class="code hl_enumvalue" href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446a8f6fe15bfe15104da6d1b360194a5400">LOG_WARNING</a>, <span class="stringliteral">&quot;coap_opt_delta: illegal option delta\n&quot;</span>);</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno">  228</span> </div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno">  229</span>    <span class="comment">/* This case usually should not happen, hence we do not have a</span></div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno">  230</span><span class="comment">     * proper way to indicate an error. */</span></div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno">  231</span>    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno">  232</span>  <span class="keywordflow">case</span> 14:</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno">  233</span>    <span class="comment">/* Handle two-byte value: First, the MSB + 269 is stored as delta value.</span></div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno">  234</span><span class="comment">     * After that, the option pointer is advanced to the LSB which is handled</span></div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno">  235</span><span class="comment">     * just like case delta == 13. */</span></div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno">  236</span>    n = ((*opt++ &amp; 0xff) &lt;&lt; 8) + 269;</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno">  237</span>    <span class="comment">/* fall through */</span></div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno">  238</span>  <span class="keywordflow">case</span> 13:</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno">  239</span>    n += *opt &amp; 0xff;</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno">  240</span>    <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno">  241</span>  <span class="keywordflow">default</span>: <span class="comment">/* n already contains the actual delta value */</span></div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno">  242</span>    ;</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno">  243</span>  }</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno">  244</span> </div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno">  245</span>  <span class="keywordflow">return</span> n;</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno">  246</span>}</div>
</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno">  247</span> </div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno">  248</span>uint16_t</div>
<div class="foldopen" id="foldopen00249" data-start="{" data-end="}">
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"><a class="line" href="group__opt__filter.html#gaac65919c93f7047b687d33af9672b3ea">  249</a></span><a class="code hl_function" href="group__opt__filter.html#gaac65919c93f7047b687d33af9672b3ea">coap_opt_length</a>(<span class="keyword">const</span> <a class="code hl_typedef" href="option_8h.html#a963ad4994625360a5ac70d9df2ab5412">coap_opt_t</a> *opt) {</div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno">  250</span>  uint16_t length;</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno">  251</span> </div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno">  252</span>  length = *opt &amp; 0x0f;</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno">  253</span>  <span class="keywordflow">switch</span> (*opt &amp; 0xf0) {</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno">  254</span>  <span class="keywordflow">case</span> 0xf0:</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno">  255</span>    <a class="code hl_define" href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a>(<a class="code hl_enumvalue" href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446ab9f002c6ffbfd511da8090213227454e">LOG_DEBUG</a>, <span class="stringliteral">&quot;illegal option delta\n&quot;</span>);</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno">  256</span>    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno">  257</span>  <span class="keywordflow">case</span> 0xe0:</div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno">  258</span>    ++opt;</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno">  259</span>    <span class="comment">/* fall through */</span></div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno">  260</span>    <span class="comment">/* to skip another byte */</span></div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno">  261</span>  <span class="keywordflow">case</span> 0xd0:</div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno">  262</span>    ++opt;</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno">  263</span>    <span class="comment">/* fall through */</span></div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno">  264</span>    <span class="comment">/* to skip another byte */</span></div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno">  265</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno">  266</span>    ++opt;</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno">  267</span>  }</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno">  268</span> </div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno">  269</span>  <span class="keywordflow">switch</span> (length) {</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno">  270</span>  <span class="keywordflow">case</span> 0x0f:</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno">  271</span>    <a class="code hl_define" href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a>(<a class="code hl_enumvalue" href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446ab9f002c6ffbfd511da8090213227454e">LOG_DEBUG</a>, <span class="stringliteral">&quot;illegal option length\n&quot;</span>);</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno">  272</span>    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno">  273</span>  <span class="keywordflow">case</span> 0x0e:</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno">  274</span>    length = (*opt++ &lt;&lt; 8) + 269;</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno">  275</span>    <span class="comment">/* fall through */</span></div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno">  276</span>  <span class="keywordflow">case</span> 0x0d:</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno">  277</span>    length += *opt++;</div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno">  278</span>    <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno">  279</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno">  280</span>    ;</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno">  281</span>  }</div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno">  282</span>  <span class="keywordflow">return</span> length;</div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno">  283</span>}</div>
</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno">  284</span> </div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno">  285</span><span class="keyword">const</span> <a class="code hl_typedef" href="uthash_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> *</div>
<div class="foldopen" id="foldopen00286" data-start="{" data-end="}">
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"><a class="line" href="group__opt__filter.html#gaec4e944d39722779cac610ed22ee09db">  286</a></span><a class="code hl_function" href="group__opt__filter.html#gaec4e944d39722779cac610ed22ee09db">coap_opt_value</a>(<span class="keyword">const</span> <a class="code hl_typedef" href="option_8h.html#a963ad4994625360a5ac70d9df2ab5412">coap_opt_t</a> *opt) {</div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno">  287</span>  <span class="keywordtype">size_t</span> ofs = 1;</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno">  288</span> </div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno">  289</span>  <span class="keywordflow">switch</span> (*opt &amp; 0xf0) {</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno">  290</span>  <span class="keywordflow">case</span> 0xf0:</div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno">  291</span>    <a class="code hl_define" href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a>(<a class="code hl_enumvalue" href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446ab9f002c6ffbfd511da8090213227454e">LOG_DEBUG</a>, <span class="stringliteral">&quot;illegal option delta\n&quot;</span>);</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno">  292</span>    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno">  293</span>  <span class="keywordflow">case</span> 0xe0:</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno">  294</span>    ++ofs;</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno">  295</span>    <span class="comment">/* fall through */</span></div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno">  296</span>  <span class="keywordflow">case</span> 0xd0:</div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno">  297</span>    ++ofs;</div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno">  298</span>    <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno">  299</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno">  300</span>    ;</div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno">  301</span>  }</div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno">  302</span> </div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno">  303</span>  <span class="keywordflow">switch</span> (*opt &amp; 0x0f) {</div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno">  304</span>  <span class="keywordflow">case</span> 0x0f:</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno">  305</span>    <a class="code hl_define" href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a>(<a class="code hl_enumvalue" href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446ab9f002c6ffbfd511da8090213227454e">LOG_DEBUG</a>, <span class="stringliteral">&quot;illegal option length\n&quot;</span>);</div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno">  306</span>    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno">  307</span>  <span class="keywordflow">case</span> 0x0e:</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno">  308</span>    ++ofs;</div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno">  309</span>    <span class="comment">/* fall through */</span></div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno">  310</span>  <span class="keywordflow">case</span> 0x0d:</div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno">  311</span>    ++ofs;</div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno">  312</span>    <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno">  313</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno">  314</span>    ;</div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno">  315</span>  }</div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno">  316</span> </div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno">  317</span>  <span class="keywordflow">return</span> (<span class="keyword">const</span> <a class="code hl_typedef" href="uthash_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> *)opt + ofs;</div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno">  318</span>}</div>
</div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno">  319</span> </div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno">  320</span><span class="keywordtype">size_t</span></div>
<div class="foldopen" id="foldopen00321" data-start="{" data-end="}">
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"><a class="line" href="option_8c.html#a683c0121b4028a90f612809437aaa3d0">  321</a></span><a class="code hl_function" href="option_8c.html#a683c0121b4028a90f612809437aaa3d0">coap_opt_size</a>(<span class="keyword">const</span> <a class="code hl_typedef" href="option_8h.html#a963ad4994625360a5ac70d9df2ab5412">coap_opt_t</a> *opt) {</div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno">  322</span>  <a class="code hl_struct" href="structcoap__option__t.html">coap_option_t</a> option;</div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno">  323</span> </div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno">  324</span>  <span class="comment">/* we must assume that opt is encoded correctly */</span></div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno">  325</span>  <span class="keywordflow">return</span> <a class="code hl_function" href="option_8c.html#a11de99f50cc9f5a34fd9e4d121ecfd13">coap_opt_parse</a>(opt, (<span class="keywordtype">size_t</span>)-1, &amp;option);</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno">  326</span>}</div>
</div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno">  327</span> </div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno">  328</span><span class="keywordtype">size_t</span></div>
<div class="foldopen" id="foldopen00329" data-start="{" data-end="}">
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"><a class="line" href="group__opt__filter.html#gafebbd04a7895df694a9345dad0275aeb">  329</a></span><a class="code hl_function" href="group__opt__filter.html#gafebbd04a7895df694a9345dad0275aeb">coap_opt_setheader</a>(<a class="code hl_typedef" href="option_8h.html#a963ad4994625360a5ac70d9df2ab5412">coap_opt_t</a> *opt, <span class="keywordtype">size_t</span> maxlen,</div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno">  330</span>                   uint16_t delta, <span class="keywordtype">size_t</span> length) {</div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno">  331</span>  <span class="keywordtype">size_t</span> skip = 0;</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno">  332</span> </div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno">  333</span>  <a class="code hl_define" href="mem_8c.html#a3d4ae9c092e117c836f52dc7d7cee574">assert</a>(opt);</div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno">  334</span> </div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno">  335</span>  <span class="keywordflow">if</span> (maxlen == 0)                <span class="comment">/* need at least one byte */</span></div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno">  336</span>    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno">  337</span> </div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno">  338</span>  <span class="keywordflow">if</span> (delta &lt; 13) {</div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno">  339</span>    opt[0] = (<a class="code hl_typedef" href="option_8h.html#a963ad4994625360a5ac70d9df2ab5412">coap_opt_t</a>)(delta &lt;&lt; 4);</div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno">  340</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (delta &lt; 269) {</div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno">  341</span>    <span class="keywordflow">if</span> (maxlen &lt; 2) {</div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno">  342</span>      <a class="code hl_define" href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a>(<a class="code hl_enumvalue" href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446ab9f002c6ffbfd511da8090213227454e">LOG_DEBUG</a>, <span class="stringliteral">&quot;insufficient space to encode option delta %d\n&quot;</span>,</div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno">  343</span>               delta);</div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno">  344</span>      <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno">  345</span>    }</div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno">  346</span> </div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno">  347</span>    opt[0] = 0xd0;</div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno">  348</span>    opt[++skip] = (<a class="code hl_typedef" href="option_8h.html#a963ad4994625360a5ac70d9df2ab5412">coap_opt_t</a>)(delta - 13);</div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno">  349</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno">  350</span>    <span class="keywordflow">if</span> (maxlen &lt; 3) {</div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno">  351</span>      <a class="code hl_define" href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a>(<a class="code hl_enumvalue" href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446ab9f002c6ffbfd511da8090213227454e">LOG_DEBUG</a>, <span class="stringliteral">&quot;insufficient space to encode option delta %d\n&quot;</span>,</div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno">  352</span>               delta);</div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno">  353</span>      <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno">  354</span>    }</div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno">  355</span> </div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno">  356</span>    opt[0] = 0xe0;</div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno">  357</span>    opt[++skip] = ((delta - 269) &gt;&gt; 8) &amp; 0xff;</div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno">  358</span>    opt[++skip] = (delta - 269) &amp; 0xff;</div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno">  359</span>  }</div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno">  360</span> </div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno">  361</span>  <span class="keywordflow">if</span> (length &lt; 13) {</div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno">  362</span>    opt[0] |= length &amp; 0x0f;</div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno">  363</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (length &lt; 269) {</div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno">  364</span>    <span class="keywordflow">if</span> (maxlen &lt; skip + 2) {</div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno">  365</span>      <a class="code hl_define" href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a>(<a class="code hl_enumvalue" href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446ab9f002c6ffbfd511da8090213227454e">LOG_DEBUG</a>, <span class="stringliteral">&quot;insufficient space to encode option length %zu\n&quot;</span>,</div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno">  366</span>               length);</div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno">  367</span>      <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno">  368</span>    }</div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno">  369</span> </div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno">  370</span>    opt[0] |= 0x0d;</div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno">  371</span>    opt[++skip] = (<a class="code hl_typedef" href="option_8h.html#a963ad4994625360a5ac70d9df2ab5412">coap_opt_t</a>)(length - 13);</div>
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno">  372</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno">  373</span>    <span class="keywordflow">if</span> (maxlen &lt; skip + 3) {</div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno">  374</span>      <a class="code hl_define" href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a>(<a class="code hl_enumvalue" href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446ab9f002c6ffbfd511da8090213227454e">LOG_DEBUG</a>, <span class="stringliteral">&quot;insufficient space to encode option delta %d\n&quot;</span>,</div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno">  375</span>               delta);</div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno">  376</span>      <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno">  377</span>    }</div>
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno">  378</span> </div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno">  379</span>    opt[0] |= 0x0e;</div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno">  380</span>    opt[++skip] = ((length - 269) &gt;&gt; 8) &amp; 0xff;</div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno">  381</span>    opt[++skip] = (length - 269) &amp; 0xff;</div>
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno">  382</span>  }</div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno">  383</span> </div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno">  384</span>  <span class="keywordflow">return</span> skip + 1;</div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno">  385</span>}</div>
</div>
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno">  386</span> </div>
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno">  387</span><span class="keywordtype">size_t</span></div>
<div class="foldopen" id="foldopen00388" data-start="{" data-end="}">
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"><a class="line" href="group__opt__filter.html#ga55f19454026048e906139d575feddecb">  388</a></span><a class="code hl_function" href="group__opt__filter.html#ga55f19454026048e906139d575feddecb">coap_opt_encode_size</a>(uint16_t delta, <span class="keywordtype">size_t</span> length) {</div>
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno">  389</span>  <span class="keywordtype">size_t</span> n = 1;</div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno">  390</span> </div>
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno">  391</span>  <span class="keywordflow">if</span> (delta &gt;= 13) {</div>
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno">  392</span>    <span class="keywordflow">if</span> (delta &lt; 269)</div>
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno">  393</span>      n += 1;</div>
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno">  394</span>    <span class="keywordflow">else</span></div>
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno">  395</span>      n += 2;</div>
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno">  396</span>  }</div>
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno">  397</span> </div>
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno">  398</span>  <span class="keywordflow">if</span> (length &gt;= 13) {</div>
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno">  399</span>    <span class="keywordflow">if</span> (length &lt; 269)</div>
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno">  400</span>      n += 1;</div>
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno">  401</span>    <span class="keywordflow">else</span></div>
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno">  402</span>      n += 2;</div>
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno">  403</span>  }</div>
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno">  404</span> </div>
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno">  405</span>  <span class="keywordflow">return</span> n + length;</div>
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno">  406</span>}</div>
</div>
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno">  407</span> </div>
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno">  408</span><span class="keywordtype">size_t</span></div>
<div class="foldopen" id="foldopen00409" data-start="{" data-end="}">
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"><a class="line" href="group__opt__filter.html#ga358cb455deaefca1b1234298f018c9ab">  409</a></span><a class="code hl_function" href="group__opt__filter.html#ga358cb455deaefca1b1234298f018c9ab">coap_opt_encode</a>(<a class="code hl_typedef" href="option_8h.html#a963ad4994625360a5ac70d9df2ab5412">coap_opt_t</a> *opt, <span class="keywordtype">size_t</span> maxlen, uint16_t delta,</div>
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno">  410</span>                <span class="keyword">const</span> <a class="code hl_typedef" href="uthash_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> *val, <span class="keywordtype">size_t</span> length) {</div>
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno">  411</span>  <span class="keywordtype">size_t</span> l = 1;</div>
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno">  412</span> </div>
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno">  413</span>  l = <a class="code hl_function" href="group__opt__filter.html#gafebbd04a7895df694a9345dad0275aeb">coap_opt_setheader</a>(opt, maxlen, delta, length);</div>
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno">  414</span>  <a class="code hl_define" href="mem_8c.html#a3d4ae9c092e117c836f52dc7d7cee574">assert</a>(l &lt;= maxlen);</div>
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno">  415</span> </div>
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno">  416</span>  <span class="keywordflow">if</span> (!l) {</div>
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno">  417</span>    <a class="code hl_define" href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a>(<a class="code hl_enumvalue" href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446ab9f002c6ffbfd511da8090213227454e">LOG_DEBUG</a>, <span class="stringliteral">&quot;coap_opt_encode: cannot set option header\n&quot;</span>);</div>
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno">  418</span>    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno">  419</span>  }</div>
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno">  420</span> </div>
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno">  421</span>  maxlen -= l;</div>
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno">  422</span>  opt += l;</div>
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno">  423</span> </div>
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno">  424</span>  <span class="keywordflow">if</span> (maxlen &lt; length) {</div>
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno">  425</span>    <a class="code hl_define" href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a>(<a class="code hl_enumvalue" href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446ab9f002c6ffbfd511da8090213227454e">LOG_DEBUG</a>, <span class="stringliteral">&quot;coap_opt_encode: option too large for buffer\n&quot;</span>);</div>
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno">  426</span>    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno">  427</span>  }</div>
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno">  428</span> </div>
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno">  429</span>  <span class="keywordflow">if</span> (val)                        <span class="comment">/* better be safe here */</span></div>
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno">  430</span>    memcpy(opt, val, length);</div>
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno">  431</span> </div>
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno">  432</span>  <span class="keywordflow">return</span> l + length;</div>
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno">  433</span>}</div>
</div>
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno">  434</span> </div>
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno">  435</span><span class="comment">/* coap_opt_filter_t has the following internal structure: */</span></div>
<div class="foldopen" id="foldopen00436" data-start="{" data-end="};">
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"><a class="line" href="structopt__filter.html">  436</a></span><span class="keyword">typedef</span> <span class="keyword">struct </span>{</div>
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"><a class="line" href="structopt__filter.html#a2af5db3760843fc2840f53b67c6b8fdf">  437</a></span>  uint16_t <a class="code hl_variable" href="structopt__filter.html#a2af5db3760843fc2840f53b67c6b8fdf">mask</a>;</div>
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno">  438</span> </div>
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno"><a class="line" href="option_8c.html#affc9e344d152d043d3039a014f867dd3">  439</a></span><span class="preprocessor">#define LONG_MASK ((1 &lt;&lt; COAP_OPT_FILTER_LONG) - 1)</span></div>
<div class="foldopen" id="foldopen00440" data-start="" data-end="">
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno"><a class="line" href="option_8c.html#a5e60b801f6361b8c606aa2b3078c8b7c">  440</a></span><span class="preprocessor">#define SHORT_MASK \</span></div>
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno">  441</span><span class="preprocessor">  (~LONG_MASK &amp; ((1 &lt;&lt; (COAP_OPT_FILTER_LONG + COAP_OPT_FILTER_SHORT)) - 1))</span></div>
</div>
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno">  442</span> </div>
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno"><a class="line" href="structopt__filter.html#ad53238ffdb6f53a7d4f97644e7703e9c">  443</a></span>  uint16_t long_opts[<a class="code hl_define" href="group__opt__filter.html#gab098c0305af7c474b5cd79e4204cfb40">COAP_OPT_FILTER_LONG</a>];</div>
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno"><a class="line" href="structopt__filter.html#a94601c60d5c19a641359f8d8f901e6f4">  444</a></span>  <a class="code hl_typedef" href="uthash_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> short_opts[<a class="code hl_define" href="group__opt__filter.html#ga7bb991b46f70311754e632738d33266b">COAP_OPT_FILTER_SHORT</a>];</div>
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno">  445</span>} <a class="code hl_struct" href="structopt__filter.html">opt_filter</a>;</div>
</div>
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno">  446</span> </div>
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno">  448</span><a class="code hl_define" href="libcoap_8h.html#a58b4446dccd0b8c21b3532ef6b77a57d">COAP_STATIC_INLINE</a> <span class="keywordtype">int</span></div>
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"><a class="line" href="option_8c.html#a2be7abc95dd3dfc1f1f3f4268ce41101">  449</a></span><a class="code hl_function" href="option_8c.html#a2be7abc95dd3dfc1f1f3f4268ce41101">is_long_option</a>(uint16_t type) { <span class="keywordflow">return</span> type &gt; 255; }</div>
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno">  450</span> </div>
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"><a class="line" href="option_8c.html#a2e47362612316659297d3c87fb779187a1eaf5fbe94e40a0de737a3efb1eae47a">  452</a></span><span class="keyword">enum</span> <a class="code hl_enumeration" href="option_8c.html#a2e47362612316659297d3c87fb779187">filter_op_t</a> { <a class="code hl_enumvalue" href="option_8c.html#a2e47362612316659297d3c87fb779187a60a196f7d75d979d5025f6638871136c">FILTER_SET</a>, <a class="code hl_enumvalue" href="option_8c.html#a2e47362612316659297d3c87fb779187a1eaf5fbe94e40a0de737a3efb1eae47a">FILTER_CLEAR</a>, <a class="code hl_enumvalue" href="option_8c.html#a2e47362612316659297d3c87fb779187a4f5c6c9055a46ce3a0a63033864eab4a">FILTER_GET</a> };</div>
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno">  453</span> </div>
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno">  473</span><span class="keyword">static</span> <span class="keywordtype">int</span></div>
<div class="foldopen" id="foldopen00474" data-start="{" data-end="}">
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno"><a class="line" href="option_8c.html#a4225eb8945afcd42e9d4c50bd7c85ff1">  474</a></span><a class="code hl_function" href="option_8c.html#a4225eb8945afcd42e9d4c50bd7c85ff1">coap_option_filter_op</a>(<a class="code hl_typedef" href="group__opt__filter.html#ga001c5b06ae9e02996509516871cb69a8">coap_opt_filter_t</a> filter,</div>
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno">  475</span>                      uint16_t type,</div>
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno">  476</span>                      <span class="keyword">enum</span> <a class="code hl_enumeration" href="option_8c.html#a2e47362612316659297d3c87fb779187">filter_op_t</a> op) {</div>
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno">  477</span>  <span class="keywordtype">size_t</span> lindex = 0;</div>
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno">  478</span>  <a class="code hl_struct" href="structopt__filter.html">opt_filter</a> *of = (<a class="code hl_struct" href="structopt__filter.html">opt_filter</a> *)filter;</div>
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno">  479</span>  uint16_t nr, mask = 0;</div>
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno">  480</span> </div>
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno">  481</span>  <span class="keywordflow">if</span> (<a class="code hl_function" href="option_8c.html#a2be7abc95dd3dfc1f1f3f4268ce41101">is_long_option</a>(type)) {</div>
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno">  482</span>    mask = <a class="code hl_define" href="option_8c.html#affc9e344d152d043d3039a014f867dd3">LONG_MASK</a>;</div>
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno">  483</span> </div>
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno">  484</span>    <span class="keywordflow">for</span> (nr = 1; lindex &lt; <a class="code hl_define" href="group__opt__filter.html#gab098c0305af7c474b5cd79e4204cfb40">COAP_OPT_FILTER_LONG</a>; nr &lt;&lt;= 1, lindex++) {</div>
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno">  485</span> </div>
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno">  486</span>      <span class="keywordflow">if</span> (((of-&gt;<a class="code hl_variable" href="structopt__filter.html#a2af5db3760843fc2840f53b67c6b8fdf">mask</a> &amp; nr) &gt; 0) &amp;&amp; (of-&gt;<a class="code hl_variable" href="structopt__filter.html#ad53238ffdb6f53a7d4f97644e7703e9c">long_opts</a>[lindex] == type)) {</div>
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno">  487</span>        <span class="keywordflow">if</span> (op == <a class="code hl_enumvalue" href="option_8c.html#a2e47362612316659297d3c87fb779187a1eaf5fbe94e40a0de737a3efb1eae47a">FILTER_CLEAR</a>) {</div>
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno">  488</span>          of-&gt;<a class="code hl_variable" href="structopt__filter.html#a2af5db3760843fc2840f53b67c6b8fdf">mask</a> &amp;= ~nr;</div>
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno">  489</span>        }</div>
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno">  490</span> </div>
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno">  491</span>        <span class="keywordflow">return</span> 1;</div>
<div class="line"><a id="l00492" name="l00492"></a><span class="lineno">  492</span>      }</div>
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno">  493</span>    }</div>
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno">  494</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00495" name="l00495"></a><span class="lineno">  495</span>    mask = <a class="code hl_define" href="option_8c.html#a5e60b801f6361b8c606aa2b3078c8b7c">SHORT_MASK</a>;</div>
<div class="line"><a id="l00496" name="l00496"></a><span class="lineno">  496</span> </div>
<div class="line"><a id="l00497" name="l00497"></a><span class="lineno">  497</span>    <span class="keywordflow">for</span> (nr = 1 &lt;&lt; <a class="code hl_define" href="group__opt__filter.html#gab098c0305af7c474b5cd79e4204cfb40">COAP_OPT_FILTER_LONG</a>; lindex &lt; <a class="code hl_define" href="group__opt__filter.html#ga7bb991b46f70311754e632738d33266b">COAP_OPT_FILTER_SHORT</a>;</div>
<div class="line"><a id="l00498" name="l00498"></a><span class="lineno">  498</span>         nr &lt;&lt;= 1, lindex++) {</div>
<div class="line"><a id="l00499" name="l00499"></a><span class="lineno">  499</span> </div>
<div class="line"><a id="l00500" name="l00500"></a><span class="lineno">  500</span>      <span class="keywordflow">if</span> (((of-&gt;<a class="code hl_variable" href="structopt__filter.html#a2af5db3760843fc2840f53b67c6b8fdf">mask</a> &amp; nr) &gt; 0) &amp;&amp; (of-&gt;<a class="code hl_variable" href="structopt__filter.html#a94601c60d5c19a641359f8d8f901e6f4">short_opts</a>[lindex] == (type &amp; 0xff))) {</div>
<div class="line"><a id="l00501" name="l00501"></a><span class="lineno">  501</span>        <span class="keywordflow">if</span> (op == <a class="code hl_enumvalue" href="option_8c.html#a2e47362612316659297d3c87fb779187a1eaf5fbe94e40a0de737a3efb1eae47a">FILTER_CLEAR</a>) {</div>
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno">  502</span>          of-&gt;<a class="code hl_variable" href="structopt__filter.html#a2af5db3760843fc2840f53b67c6b8fdf">mask</a> &amp;= ~nr;</div>
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno">  503</span>        }</div>
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno">  504</span> </div>
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno">  505</span>        <span class="keywordflow">return</span> 1;</div>
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno">  506</span>      }</div>
<div class="line"><a id="l00507" name="l00507"></a><span class="lineno">  507</span>    }</div>
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno">  508</span>  }</div>
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno">  509</span> </div>
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno">  510</span>  <span class="comment">/* type was not found, so there is nothing to do if op is CLEAR or GET */</span></div>
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno">  511</span>  <span class="keywordflow">if</span> ((op == <a class="code hl_enumvalue" href="option_8c.html#a2e47362612316659297d3c87fb779187a1eaf5fbe94e40a0de737a3efb1eae47a">FILTER_CLEAR</a>) || (op == <a class="code hl_enumvalue" href="option_8c.html#a2e47362612316659297d3c87fb779187a4f5c6c9055a46ce3a0a63033864eab4a">FILTER_GET</a>)) {</div>
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno">  512</span>    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00513" name="l00513"></a><span class="lineno">  513</span>  }</div>
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno">  514</span> </div>
<div class="line"><a id="l00515" name="l00515"></a><span class="lineno">  515</span>  <span class="comment">/* handle FILTER_SET: */</span></div>
<div class="line"><a id="l00516" name="l00516"></a><span class="lineno">  516</span> </div>
<div class="line"><a id="l00517" name="l00517"></a><span class="lineno">  517</span>  lindex = <a class="code hl_function" href="encode_8c.html#a671b4261b2d24de8696258a8efb0f359">coap_fls</a>(~of-&gt;<a class="code hl_variable" href="structopt__filter.html#a2af5db3760843fc2840f53b67c6b8fdf">mask</a> &amp; mask);</div>
<div class="line"><a id="l00518" name="l00518"></a><span class="lineno">  518</span>  <span class="keywordflow">if</span> (!lindex) {</div>
<div class="line"><a id="l00519" name="l00519"></a><span class="lineno">  519</span>    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00520" name="l00520"></a><span class="lineno">  520</span>  }</div>
<div class="line"><a id="l00521" name="l00521"></a><span class="lineno">  521</span> </div>
<div class="line"><a id="l00522" name="l00522"></a><span class="lineno">  522</span>  <span class="keywordflow">if</span> (<a class="code hl_function" href="option_8c.html#a2be7abc95dd3dfc1f1f3f4268ce41101">is_long_option</a>(type)) {</div>
<div class="line"><a id="l00523" name="l00523"></a><span class="lineno">  523</span>    of-&gt;<a class="code hl_variable" href="structopt__filter.html#ad53238ffdb6f53a7d4f97644e7703e9c">long_opts</a>[lindex - 1] = type;</div>
<div class="line"><a id="l00524" name="l00524"></a><span class="lineno">  524</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00525" name="l00525"></a><span class="lineno">  525</span>    of-&gt;<a class="code hl_variable" href="structopt__filter.html#a94601c60d5c19a641359f8d8f901e6f4">short_opts</a>[lindex - <a class="code hl_define" href="group__opt__filter.html#gab098c0305af7c474b5cd79e4204cfb40">COAP_OPT_FILTER_LONG</a> - 1] = (<a class="code hl_typedef" href="uthash_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a>)type;</div>
<div class="line"><a id="l00526" name="l00526"></a><span class="lineno">  526</span>  }</div>
<div class="line"><a id="l00527" name="l00527"></a><span class="lineno">  527</span> </div>
<div class="line"><a id="l00528" name="l00528"></a><span class="lineno">  528</span>  of-&gt;<a class="code hl_variable" href="structopt__filter.html#a2af5db3760843fc2840f53b67c6b8fdf">mask</a> |= 1 &lt;&lt; (lindex - 1);</div>
<div class="line"><a id="l00529" name="l00529"></a><span class="lineno">  529</span> </div>
<div class="line"><a id="l00530" name="l00530"></a><span class="lineno">  530</span>  <span class="keywordflow">return</span> 1;</div>
<div class="line"><a id="l00531" name="l00531"></a><span class="lineno">  531</span>}</div>
</div>
<div class="line"><a id="l00532" name="l00532"></a><span class="lineno">  532</span> </div>
<div class="line"><a id="l00533" name="l00533"></a><span class="lineno">  533</span><span class="keywordtype">int</span></div>
<div class="foldopen" id="foldopen00534" data-start="{" data-end="}">
<div class="line"><a id="l00534" name="l00534"></a><span class="lineno"><a class="line" href="group__opt__filter.html#ga0170aecd699295f02affd5b280244088">  534</a></span><a class="code hl_function" href="group__opt__filter.html#ga0170aecd699295f02affd5b280244088">coap_option_filter_set</a>(<a class="code hl_typedef" href="group__opt__filter.html#ga001c5b06ae9e02996509516871cb69a8">coap_opt_filter_t</a> filter, uint16_t type) {</div>
<div class="line"><a id="l00535" name="l00535"></a><span class="lineno">  535</span>  <span class="keywordflow">return</span> <a class="code hl_function" href="option_8c.html#a4225eb8945afcd42e9d4c50bd7c85ff1">coap_option_filter_op</a>(filter, type, <a class="code hl_enumvalue" href="option_8c.html#a2e47362612316659297d3c87fb779187a60a196f7d75d979d5025f6638871136c">FILTER_SET</a>);</div>
<div class="line"><a id="l00536" name="l00536"></a><span class="lineno">  536</span>}</div>
</div>
<div class="line"><a id="l00537" name="l00537"></a><span class="lineno">  537</span> </div>
<div class="line"><a id="l00538" name="l00538"></a><span class="lineno">  538</span><span class="keywordtype">int</span></div>
<div class="foldopen" id="foldopen00539" data-start="{" data-end="}">
<div class="line"><a id="l00539" name="l00539"></a><span class="lineno"><a class="line" href="group__opt__filter.html#ga61706c7da445795c096cb21194b57bb3">  539</a></span><a class="code hl_function" href="group__opt__filter.html#ga61706c7da445795c096cb21194b57bb3">coap_option_filter_unset</a>(<a class="code hl_typedef" href="group__opt__filter.html#ga001c5b06ae9e02996509516871cb69a8">coap_opt_filter_t</a> filter, uint16_t type) {</div>
<div class="line"><a id="l00540" name="l00540"></a><span class="lineno">  540</span>  <span class="keywordflow">return</span> <a class="code hl_function" href="option_8c.html#a4225eb8945afcd42e9d4c50bd7c85ff1">coap_option_filter_op</a>(filter, type, <a class="code hl_enumvalue" href="option_8c.html#a2e47362612316659297d3c87fb779187a1eaf5fbe94e40a0de737a3efb1eae47a">FILTER_CLEAR</a>);</div>
<div class="line"><a id="l00541" name="l00541"></a><span class="lineno">  541</span>}</div>
</div>
<div class="line"><a id="l00542" name="l00542"></a><span class="lineno">  542</span> </div>
<div class="line"><a id="l00543" name="l00543"></a><span class="lineno">  543</span><span class="keywordtype">int</span></div>
<div class="foldopen" id="foldopen00544" data-start="{" data-end="}">
<div class="line"><a id="l00544" name="l00544"></a><span class="lineno"><a class="line" href="group__opt__filter.html#ga3d3a4336ff55e111eae4eb2a1883a98b">  544</a></span><a class="code hl_function" href="group__opt__filter.html#ga3d3a4336ff55e111eae4eb2a1883a98b">coap_option_filter_get</a>(<a class="code hl_typedef" href="group__opt__filter.html#ga001c5b06ae9e02996509516871cb69a8">coap_opt_filter_t</a> filter, uint16_t type) {</div>
<div class="line"><a id="l00545" name="l00545"></a><span class="lineno">  545</span>  <span class="comment">/* Ugly cast to make the const go away (FILTER_GET wont change filter</span></div>
<div class="line"><a id="l00546" name="l00546"></a><span class="lineno">  546</span><span class="comment">   * but as _set and _unset do, the function does not take a const). */</span></div>
<div class="line"><a id="l00547" name="l00547"></a><span class="lineno">  547</span>  <span class="keywordflow">return</span> <a class="code hl_function" href="option_8c.html#a4225eb8945afcd42e9d4c50bd7c85ff1">coap_option_filter_op</a>((uint16_t *)filter, type, <a class="code hl_enumvalue" href="option_8c.html#a2e47362612316659297d3c87fb779187a4f5c6c9055a46ce3a0a63033864eab4a">FILTER_GET</a>);</div>
<div class="line"><a id="l00548" name="l00548"></a><span class="lineno">  548</span>}</div>
</div>
<div class="line"><a id="l00549" name="l00549"></a><span class="lineno">  549</span> </div>
<div class="line"><a id="l00550" name="l00550"></a><span class="lineno">  550</span><a class="code hl_struct" href="structcoap__optlist__t.html">coap_optlist_t</a> *</div>
<div class="foldopen" id="foldopen00551" data-start="{" data-end="}">
<div class="line"><a id="l00551" name="l00551"></a><span class="lineno"><a class="line" href="option_8c.html#a21df6c3988187909d52a3218eb2f12ef">  551</a></span><a class="code hl_function" href="option_8c.html#a21df6c3988187909d52a3218eb2f12ef">coap_new_optlist</a>(uint16_t number,</div>
<div class="line"><a id="l00552" name="l00552"></a><span class="lineno">  552</span>                          <span class="keywordtype">size_t</span> length,</div>
<div class="line"><a id="l00553" name="l00553"></a><span class="lineno">  553</span>                          <span class="keyword">const</span> <a class="code hl_typedef" href="uthash_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> *data</div>
<div class="line"><a id="l00554" name="l00554"></a><span class="lineno">  554</span>) {</div>
<div class="line"><a id="l00555" name="l00555"></a><span class="lineno">  555</span>  <a class="code hl_struct" href="structcoap__optlist__t.html">coap_optlist_t</a> *node;</div>
<div class="line"><a id="l00556" name="l00556"></a><span class="lineno">  556</span> </div>
<div class="line"><a id="l00557" name="l00557"></a><span class="lineno">  557</span>  node = <a class="code hl_function" href="mem_8h.html#a9f9fd8d6cf24f9c45a5501aeba5acaf9">coap_malloc_type</a>(<a class="code hl_enumvalue" href="mem_8h.html#a703fa791ab7a14ff983df73b15e9c620a72ef666492d28949f05ecadef120d4e4">COAP_OPTLIST</a>, <span class="keyword">sizeof</span>(<a class="code hl_struct" href="structcoap__optlist__t.html">coap_optlist_t</a>) + length);</div>
<div class="line"><a id="l00558" name="l00558"></a><span class="lineno">  558</span> </div>
<div class="line"><a id="l00559" name="l00559"></a><span class="lineno">  559</span>  <span class="keywordflow">if</span> (node) {</div>
<div class="line"><a id="l00560" name="l00560"></a><span class="lineno">  560</span>    memset(node, 0, (<span class="keyword">sizeof</span>(<a class="code hl_struct" href="structcoap__optlist__t.html">coap_optlist_t</a>) + length));</div>
<div class="line"><a id="l00561" name="l00561"></a><span class="lineno">  561</span>    node-&gt;<a class="code hl_variable" href="structcoap__optlist__t.html#a1e0e2a73913a4888f690c6fa43815698">number</a> = number;</div>
<div class="line"><a id="l00562" name="l00562"></a><span class="lineno">  562</span>    node-&gt;<a class="code hl_variable" href="structcoap__optlist__t.html#a24a8480763cc064bdd31ab4252dce9e2">length</a> = length;</div>
<div class="line"><a id="l00563" name="l00563"></a><span class="lineno">  563</span>    node-&gt;<a class="code hl_variable" href="structcoap__optlist__t.html#a47aa4fd0063b0d91f2b1892cfe0b6175">data</a> = (<a class="code hl_typedef" href="uthash_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> *)&amp;node[1];</div>
<div class="line"><a id="l00564" name="l00564"></a><span class="lineno">  564</span>    memcpy(node-&gt;<a class="code hl_variable" href="structcoap__optlist__t.html#a47aa4fd0063b0d91f2b1892cfe0b6175">data</a>, data, length);</div>
<div class="line"><a id="l00565" name="l00565"></a><span class="lineno">  565</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00566" name="l00566"></a><span class="lineno">  566</span>    <a class="code hl_define" href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a>(<a class="code hl_enumvalue" href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446a8f6fe15bfe15104da6d1b360194a5400">LOG_WARNING</a>, <span class="stringliteral">&quot;coap_new_optlist: malloc failure\n&quot;</span>);</div>
<div class="line"><a id="l00567" name="l00567"></a><span class="lineno">  567</span>  }</div>
<div class="line"><a id="l00568" name="l00568"></a><span class="lineno">  568</span> </div>
<div class="line"><a id="l00569" name="l00569"></a><span class="lineno">  569</span>  <span class="keywordflow">return</span> node;</div>
<div class="line"><a id="l00570" name="l00570"></a><span class="lineno">  570</span>}</div>
</div>
<div class="line"><a id="l00571" name="l00571"></a><span class="lineno">  571</span> </div>
<div class="line"><a id="l00572" name="l00572"></a><span class="lineno">  572</span><span class="keyword">static</span> <span class="keywordtype">int</span></div>
<div class="foldopen" id="foldopen00573" data-start="{" data-end="}">
<div class="line"><a id="l00573" name="l00573"></a><span class="lineno"><a class="line" href="option_8c.html#ad773b314b1ac7591f38f7b4b04d9e68d">  573</a></span><a class="code hl_function" href="option_8c.html#ad773b314b1ac7591f38f7b4b04d9e68d">order_opts</a>(<span class="keywordtype">void</span> *a, <span class="keywordtype">void</span> *b) {</div>
<div class="line"><a id="l00574" name="l00574"></a><span class="lineno">  574</span>  <a class="code hl_struct" href="structcoap__optlist__t.html">coap_optlist_t</a> *o1 = (<a class="code hl_struct" href="structcoap__optlist__t.html">coap_optlist_t</a> *)a;</div>
<div class="line"><a id="l00575" name="l00575"></a><span class="lineno">  575</span>  <a class="code hl_struct" href="structcoap__optlist__t.html">coap_optlist_t</a> *o2 = (<a class="code hl_struct" href="structcoap__optlist__t.html">coap_optlist_t</a> *)b;</div>
<div class="line"><a id="l00576" name="l00576"></a><span class="lineno">  576</span> </div>
<div class="line"><a id="l00577" name="l00577"></a><span class="lineno">  577</span>  <span class="keywordflow">if</span> (!a || !b)</div>
<div class="line"><a id="l00578" name="l00578"></a><span class="lineno">  578</span>    <span class="keywordflow">return</span> a &lt; b ? -1 : 1;</div>
<div class="line"><a id="l00579" name="l00579"></a><span class="lineno">  579</span> </div>
<div class="line"><a id="l00580" name="l00580"></a><span class="lineno">  580</span>  <span class="keywordflow">return</span> (<span class="keywordtype">int</span>)(o1-&gt;<a class="code hl_variable" href="structcoap__optlist__t.html#a1e0e2a73913a4888f690c6fa43815698">number</a> - o2-&gt;<a class="code hl_variable" href="structcoap__optlist__t.html#a1e0e2a73913a4888f690c6fa43815698">number</a>);</div>
<div class="line"><a id="l00581" name="l00581"></a><span class="lineno">  581</span>}</div>
</div>
<div class="line"><a id="l00582" name="l00582"></a><span class="lineno">  582</span> </div>
<div class="line"><a id="l00583" name="l00583"></a><span class="lineno">  583</span><span class="keywordtype">int</span></div>
<div class="foldopen" id="foldopen00584" data-start="{" data-end="}">
<div class="line"><a id="l00584" name="l00584"></a><span class="lineno"><a class="line" href="option_8c.html#a08d1a8011577258adfd93d1754becc3e">  584</a></span><a class="code hl_function" href="option_8c.html#a08d1a8011577258adfd93d1754becc3e">coap_add_optlist_pdu</a>(<a class="code hl_struct" href="structcoap__pdu__t.html">coap_pdu_t</a> *pdu, <a class="code hl_struct" href="structcoap__optlist__t.html">coap_optlist_t</a>** options) {</div>
<div class="line"><a id="l00585" name="l00585"></a><span class="lineno">  585</span>  <a class="code hl_struct" href="structcoap__optlist__t.html">coap_optlist_t</a> *opt;</div>
<div class="line"><a id="l00586" name="l00586"></a><span class="lineno">  586</span> </div>
<div class="line"><a id="l00587" name="l00587"></a><span class="lineno">  587</span>  <span class="keywordflow">if</span> (options &amp;&amp; *options) {</div>
<div class="line"><a id="l00588" name="l00588"></a><span class="lineno">  588</span>    <span class="comment">/* sort options for delta encoding */</span></div>
<div class="line"><a id="l00589" name="l00589"></a><span class="lineno">  589</span>    <a class="code hl_define" href="utlist_8h.html#a0b2137d4a0c157cb7a1a30d9340ece31">LL_SORT</a>((*options), <a class="code hl_function" href="option_8c.html#ad773b314b1ac7591f38f7b4b04d9e68d">order_opts</a>);</div>
<div class="line"><a id="l00590" name="l00590"></a><span class="lineno">  590</span> </div>
<div class="line"><a id="l00591" name="l00591"></a><span class="lineno">  591</span>    <a class="code hl_define" href="utlist_8h.html#a487c0ce49f397e1743caae16a797e4bb">LL_FOREACH</a>((*options), opt) {</div>
<div class="line"><a id="l00592" name="l00592"></a><span class="lineno">  592</span>      <a class="code hl_function" href="pdu_8c.html#aa1314f60fbc25733cfabaa975adc5aae">coap_add_option</a>(pdu, opt-&gt;<a class="code hl_variable" href="structcoap__optlist__t.html#a1e0e2a73913a4888f690c6fa43815698">number</a>, opt-&gt;<a class="code hl_variable" href="structcoap__optlist__t.html#a24a8480763cc064bdd31ab4252dce9e2">length</a>, opt-&gt;<a class="code hl_variable" href="structcoap__optlist__t.html#a47aa4fd0063b0d91f2b1892cfe0b6175">data</a>);</div>
<div class="line"><a id="l00593" name="l00593"></a><span class="lineno">  593</span>    }</div>
<div class="line"><a id="l00594" name="l00594"></a><span class="lineno">  594</span>    <span class="keywordflow">return</span> 1;</div>
<div class="line"><a id="l00595" name="l00595"></a><span class="lineno">  595</span>  }</div>
<div class="line"><a id="l00596" name="l00596"></a><span class="lineno">  596</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00597" name="l00597"></a><span class="lineno">  597</span>}</div>
</div>
<div class="line"><a id="l00598" name="l00598"></a><span class="lineno">  598</span> </div>
<div class="line"><a id="l00599" name="l00599"></a><span class="lineno">  599</span><span class="keywordtype">int</span></div>
<div class="foldopen" id="foldopen00600" data-start="{" data-end="}">
<div class="line"><a id="l00600" name="l00600"></a><span class="lineno"><a class="line" href="option_8c.html#aeafe92535dab93d60c42e586655d2843">  600</a></span><a class="code hl_function" href="option_8c.html#aeafe92535dab93d60c42e586655d2843">coap_insert_optlist</a>(<a class="code hl_struct" href="structcoap__optlist__t.html">coap_optlist_t</a> **head, <a class="code hl_struct" href="structcoap__optlist__t.html">coap_optlist_t</a> *node) {</div>
<div class="line"><a id="l00601" name="l00601"></a><span class="lineno">  601</span>  <span class="keywordflow">if</span> (!node) {</div>
<div class="line"><a id="l00602" name="l00602"></a><span class="lineno">  602</span>    <a class="code hl_define" href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a>(<a class="code hl_enumvalue" href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446ab9f002c6ffbfd511da8090213227454e">LOG_DEBUG</a>, <span class="stringliteral">&quot;optlist not provided\n&quot;</span>);</div>
<div class="line"><a id="l00603" name="l00603"></a><span class="lineno">  603</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00604" name="l00604"></a><span class="lineno">  604</span>    <span class="comment">/* must append at the list end to avoid re-ordering of</span></div>
<div class="line"><a id="l00605" name="l00605"></a><span class="lineno">  605</span><span class="comment">     * options during sort */</span></div>
<div class="line"><a id="l00606" name="l00606"></a><span class="lineno">  606</span>    <a class="code hl_define" href="utlist_8h.html#ace33c571c3df78e721a99a4494983855">LL_APPEND</a>((*head), node);</div>
<div class="line"><a id="l00607" name="l00607"></a><span class="lineno">  607</span>  }</div>
<div class="line"><a id="l00608" name="l00608"></a><span class="lineno">  608</span> </div>
<div class="line"><a id="l00609" name="l00609"></a><span class="lineno">  609</span>  <span class="keywordflow">return</span> node != NULL;</div>
<div class="line"><a id="l00610" name="l00610"></a><span class="lineno">  610</span>}</div>
</div>
<div class="line"><a id="l00611" name="l00611"></a><span class="lineno">  611</span> </div>
<div class="line"><a id="l00612" name="l00612"></a><span class="lineno">  612</span><span class="keyword">static</span> <span class="keywordtype">int</span></div>
<div class="foldopen" id="foldopen00613" data-start="{" data-end="}">
<div class="line"><a id="l00613" name="l00613"></a><span class="lineno"><a class="line" href="option_8c.html#a7f99f0a8dd81b5ee7824871ebfc384d7">  613</a></span><a class="code hl_function" href="option_8c.html#a7f99f0a8dd81b5ee7824871ebfc384d7">coap_internal_delete</a>(<a class="code hl_struct" href="structcoap__optlist__t.html">coap_optlist_t</a> *node) {</div>
<div class="line"><a id="l00614" name="l00614"></a><span class="lineno">  614</span>  <span class="keywordflow">if</span> (node) {</div>
<div class="line"><a id="l00615" name="l00615"></a><span class="lineno">  615</span>    <a class="code hl_function" href="mem_8h.html#ae7214e0c73a4d4290525873e739ed422">coap_free_type</a>(<a class="code hl_enumvalue" href="mem_8h.html#a703fa791ab7a14ff983df73b15e9c620a72ef666492d28949f05ecadef120d4e4">COAP_OPTLIST</a>, node);</div>
<div class="line"><a id="l00616" name="l00616"></a><span class="lineno">  616</span>  }</div>
<div class="line"><a id="l00617" name="l00617"></a><span class="lineno">  617</span>  <span class="keywordflow">return</span> 1;</div>
<div class="line"><a id="l00618" name="l00618"></a><span class="lineno">  618</span>}</div>
</div>
<div class="line"><a id="l00619" name="l00619"></a><span class="lineno">  619</span> </div>
<div class="line"><a id="l00620" name="l00620"></a><span class="lineno">  620</span><span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00621" data-start="{" data-end="}">
<div class="line"><a id="l00621" name="l00621"></a><span class="lineno"><a class="line" href="option_8c.html#ac4f857fc9a66eb154efe38d819328102">  621</a></span><a class="code hl_function" href="option_8c.html#ac4f857fc9a66eb154efe38d819328102">coap_delete_optlist</a>(<a class="code hl_struct" href="structcoap__optlist__t.html">coap_optlist_t</a> *queue) {</div>
<div class="line"><a id="l00622" name="l00622"></a><span class="lineno">  622</span>  <a class="code hl_struct" href="structcoap__optlist__t.html">coap_optlist_t</a> *elt, *tmp;</div>
<div class="line"><a id="l00623" name="l00623"></a><span class="lineno">  623</span> </div>
<div class="line"><a id="l00624" name="l00624"></a><span class="lineno">  624</span>  <span class="keywordflow">if</span> (!queue)</div>
<div class="line"><a id="l00625" name="l00625"></a><span class="lineno">  625</span>    <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00626" name="l00626"></a><span class="lineno">  626</span> </div>
<div class="line"><a id="l00627" name="l00627"></a><span class="lineno">  627</span>  <a class="code hl_define" href="utlist_8h.html#ad0a695664d31f0b929fd50b39ebcf0ef">LL_FOREACH_SAFE</a>(queue, elt, tmp) {</div>
<div class="line"><a id="l00628" name="l00628"></a><span class="lineno">  628</span>    <a class="code hl_function" href="option_8c.html#a7f99f0a8dd81b5ee7824871ebfc384d7">coap_internal_delete</a>(elt);</div>
<div class="line"><a id="l00629" name="l00629"></a><span class="lineno">  629</span>  }</div>
<div class="line"><a id="l00630" name="l00630"></a><span class="lineno">  630</span>}</div>
</div>
<div class="line"><a id="l00631" name="l00631"></a><span class="lineno">  631</span> </div>
<div class="ttc" id="acoap__debug_8h_html"><div class="ttname"><a href="coap__debug_8h.html">coap_debug.h</a></div></div>
<div class="ttc" id="aencode_8c_html_a671b4261b2d24de8696258a8efb0f359"><div class="ttname"><a href="encode_8c.html#a671b4261b2d24de8696258a8efb0f359">coap_fls</a></div><div class="ttdeci">int coap_fls(unsigned int i)</div><div class="ttdef"><b>Definition</b> <a href="encode_8c_source.html#l00020">encode.c:20</a></div></div>
<div class="ttc" id="aencode_8h_html"><div class="ttname"><a href="encode_8h.html">encode.h</a></div></div>
<div class="ttc" id="agroup__logging_html_gaff2785484e756c8ec2fce408f9b81f0f"><div class="ttname"><a href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a></div><div class="ttdeci">#define coap_log(level,...)</div><div class="ttdoc">Logging function.</div><div class="ttdef"><b>Definition</b> <a href="coap__debug_8h_source.html#l00122">coap_debug.h:122</a></div></div>
<div class="ttc" id="agroup__logging_html_gga53c7b97a7af4d62d8c1678d658cc7446a8f6fe15bfe15104da6d1b360194a5400"><div class="ttname"><a href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446a8f6fe15bfe15104da6d1b360194a5400">LOG_WARNING</a></div><div class="ttdeci">@ LOG_WARNING</div><div class="ttdoc">Warning.</div><div class="ttdef"><b>Definition</b> <a href="coap__debug_8h_source.html#l00046">coap_debug.h:46</a></div></div>
<div class="ttc" id="agroup__logging_html_gga53c7b97a7af4d62d8c1678d658cc7446ab9f002c6ffbfd511da8090213227454e"><div class="ttname"><a href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446ab9f002c6ffbfd511da8090213227454e">LOG_DEBUG</a></div><div class="ttdeci">@ LOG_DEBUG</div><div class="ttdoc">Debug.</div><div class="ttdef"><b>Definition</b> <a href="coap__debug_8h_source.html#l00050">coap_debug.h:49</a></div></div>
<div class="ttc" id="agroup__opt__filter_html_ga001c5b06ae9e02996509516871cb69a8"><div class="ttname"><a href="group__opt__filter.html#ga001c5b06ae9e02996509516871cb69a8">coap_opt_filter_t</a></div><div class="ttdeci">uint16_t coap_opt_filter_t[COAP_OPT_FILTER_SIZE]</div><div class="ttdoc">Fixed-size vector we use for option filtering.</div><div class="ttdef"><b>Definition</b> <a href="option_8h_source.html#l00119">option.h:119</a></div></div>
<div class="ttc" id="agroup__opt__filter_html_ga0170aecd699295f02affd5b280244088"><div class="ttname"><a href="group__opt__filter.html#ga0170aecd699295f02affd5b280244088">coap_option_filter_set</a></div><div class="ttdeci">int coap_option_filter_set(coap_opt_filter_t filter, uint16_t type)</div><div class="ttdoc">Sets the corresponding entry for type in filter.</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00534">option.c:534</a></div></div>
<div class="ttc" id="agroup__opt__filter_html_ga19d4dbbc03ef362996964fbfdd1d4c7b"><div class="ttname"><a href="group__opt__filter.html#ga19d4dbbc03ef362996964fbfdd1d4c7b">coap_option_next</a></div><div class="ttdeci">coap_opt_t * coap_option_next(coap_opt_iterator_t *oi)</div><div class="ttdoc">Updates the iterator oi to point to the next option.</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00157">option.c:157</a></div></div>
<div class="ttc" id="agroup__opt__filter_html_ga358cb455deaefca1b1234298f018c9ab"><div class="ttname"><a href="group__opt__filter.html#ga358cb455deaefca1b1234298f018c9ab">coap_opt_encode</a></div><div class="ttdeci">size_t coap_opt_encode(coap_opt_t *opt, size_t maxlen, uint16_t delta, const uint8_t *val, size_t length)</div><div class="ttdoc">Encodes option with given delta into opt.</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00409">option.c:409</a></div></div>
<div class="ttc" id="agroup__opt__filter_html_ga35c348f1ce988e6788930a710f4535c9"><div class="ttname"><a href="group__opt__filter.html#ga35c348f1ce988e6788930a710f4535c9">coap_check_option</a></div><div class="ttdeci">coap_opt_t * coap_check_option(coap_pdu_t *pdu, uint16_t type, coap_opt_iterator_t *oi)</div><div class="ttdoc">Retrieves the first option of type type from pdu.</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00207">option.c:207</a></div></div>
<div class="ttc" id="agroup__opt__filter_html_ga3d3a4336ff55e111eae4eb2a1883a98b"><div class="ttname"><a href="group__opt__filter.html#ga3d3a4336ff55e111eae4eb2a1883a98b">coap_option_filter_get</a></div><div class="ttdeci">int coap_option_filter_get(coap_opt_filter_t filter, uint16_t type)</div><div class="ttdoc">Checks if type is contained in filter.</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00544">option.c:544</a></div></div>
<div class="ttc" id="agroup__opt__filter_html_ga55f19454026048e906139d575feddecb"><div class="ttname"><a href="group__opt__filter.html#ga55f19454026048e906139d575feddecb">coap_opt_encode_size</a></div><div class="ttdeci">size_t coap_opt_encode_size(uint16_t delta, size_t length)</div><div class="ttdoc">Compute storage bytes needed for an option with given delta and length.</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00388">option.c:388</a></div></div>
<div class="ttc" id="agroup__opt__filter_html_ga61706c7da445795c096cb21194b57bb3"><div class="ttname"><a href="group__opt__filter.html#ga61706c7da445795c096cb21194b57bb3">coap_option_filter_unset</a></div><div class="ttdeci">int coap_option_filter_unset(coap_opt_filter_t filter, uint16_t type)</div><div class="ttdoc">Clears the corresponding entry for type in filter.</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00539">option.c:539</a></div></div>
<div class="ttc" id="agroup__opt__filter_html_ga6b9ade4855f4440b3311296c03bc12aa"><div class="ttname"><a href="group__opt__filter.html#ga6b9ade4855f4440b3311296c03bc12aa">coap_option_setb</a></div><div class="ttdeci">COAP_STATIC_INLINE int coap_option_setb(coap_opt_filter_t filter, uint16_t type)</div><div class="ttdoc">Sets the corresponding bit for type in filter.</div><div class="ttdef"><b>Definition</b> <a href="option_8h_source.html#l00183">option.h:183</a></div></div>
<div class="ttc" id="agroup__opt__filter_html_ga6c7511c51433cf52068a92a18e62e2d3"><div class="ttname"><a href="group__opt__filter.html#ga6c7511c51433cf52068a92a18e62e2d3">coap_option_getb</a></div><div class="ttdeci">COAP_STATIC_INLINE int coap_option_getb(coap_opt_filter_t filter, uint16_t type)</div><div class="ttdoc">Gets the corresponding bit for type in filter.</div><div class="ttdef"><b>Definition</b> <a href="option_8h_source.html#l00217">option.h:217</a></div></div>
<div class="ttc" id="agroup__opt__filter_html_ga7bb991b46f70311754e632738d33266b"><div class="ttname"><a href="group__opt__filter.html#ga7bb991b46f70311754e632738d33266b">COAP_OPT_FILTER_SHORT</a></div><div class="ttdeci">#define COAP_OPT_FILTER_SHORT</div><div class="ttdoc">The number of option types below 256 that can be stored in an option filter.</div><div class="ttdef"><b>Definition</b> <a href="option_8h_source.html#l00076">option.h:76</a></div></div>
<div class="ttc" id="agroup__opt__filter_html_ga883885e793388359ef93d195bdbb4c2c"><div class="ttname"><a href="group__opt__filter.html#ga883885e793388359ef93d195bdbb4c2c">coap_option_filter_clear</a></div><div class="ttdeci">COAP_STATIC_INLINE void coap_option_filter_clear(coap_opt_filter_t f)</div><div class="ttdoc">Clears filter f.</div><div class="ttdef"><b>Definition</b> <a href="option_8h_source.html#l00130">option.h:130</a></div></div>
<div class="ttc" id="agroup__opt__filter_html_gaa76930050882387b0f5c7d0246e14440"><div class="ttname"><a href="group__opt__filter.html#gaa76930050882387b0f5c7d0246e14440">coap_option_iterator_init</a></div><div class="ttdeci">coap_opt_iterator_t * coap_option_iterator_init(const coap_pdu_t *pdu, coap_opt_iterator_t *oi, const coap_opt_filter_t filter)</div><div class="ttdoc">Initializes the given option iterator oi to point to the beginning of the pdu's option list.</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00121">option.c:121</a></div></div>
<div class="ttc" id="agroup__opt__filter_html_gaac65919c93f7047b687d33af9672b3ea"><div class="ttname"><a href="group__opt__filter.html#gaac65919c93f7047b687d33af9672b3ea">coap_opt_length</a></div><div class="ttdeci">uint16_t coap_opt_length(const coap_opt_t *opt)</div><div class="ttdoc">Returns the length of the given option.</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00249">option.c:249</a></div></div>
<div class="ttc" id="agroup__opt__filter_html_gab098c0305af7c474b5cd79e4204cfb40"><div class="ttname"><a href="group__opt__filter.html#gab098c0305af7c474b5cd79e4204cfb40">COAP_OPT_FILTER_LONG</a></div><div class="ttdeci">#define COAP_OPT_FILTER_LONG</div><div class="ttdoc">The number of option types above 255 that can be stored in an option filter.</div><div class="ttdef"><b>Definition</b> <a href="option_8h_source.html#l00084">option.h:84</a></div></div>
<div class="ttc" id="agroup__opt__filter_html_gae6aced1ef1014a692f68b3a13c7d6b70"><div class="ttname"><a href="group__opt__filter.html#gae6aced1ef1014a692f68b3a13c7d6b70">coap_opt_delta</a></div><div class="ttdeci">uint16_t coap_opt_delta(const coap_opt_t *opt)</div><div class="ttdoc">Decodes the delta value of the next option.</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00220">option.c:220</a></div></div>
<div class="ttc" id="agroup__opt__filter_html_gaec4e944d39722779cac610ed22ee09db"><div class="ttname"><a href="group__opt__filter.html#gaec4e944d39722779cac610ed22ee09db">coap_opt_value</a></div><div class="ttdeci">const uint8_t * coap_opt_value(const coap_opt_t *opt)</div><div class="ttdoc">Returns a pointer to the value of the given option.</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00286">option.c:286</a></div></div>
<div class="ttc" id="agroup__opt__filter_html_gafebbd04a7895df694a9345dad0275aeb"><div class="ttname"><a href="group__opt__filter.html#gafebbd04a7895df694a9345dad0275aeb">coap_opt_setheader</a></div><div class="ttdeci">size_t coap_opt_setheader(coap_opt_t *opt, size_t maxlen, uint16_t delta, size_t length)</div><div class="ttdoc">Encodes the given delta and length values into opt.</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00329">option.c:329</a></div></div>
<div class="ttc" id="alibcoap_8h_html"><div class="ttname"><a href="libcoap_8h.html">libcoap.h</a></div></div>
<div class="ttc" id="alibcoap_8h_html_a58b4446dccd0b8c21b3532ef6b77a57d"><div class="ttname"><a href="libcoap_8h.html#a58b4446dccd0b8c21b3532ef6b77a57d">COAP_STATIC_INLINE</a></div><div class="ttdeci">#define COAP_STATIC_INLINE</div><div class="ttdef"><b>Definition</b> <a href="libcoap_8h_source.html#l00038">libcoap.h:38</a></div></div>
<div class="ttc" id="amem_8c_html_a3d4ae9c092e117c836f52dc7d7cee574"><div class="ttname"><a href="mem_8c.html#a3d4ae9c092e117c836f52dc7d7cee574">assert</a></div><div class="ttdeci">#define assert(...)</div><div class="ttdef"><b>Definition</b> <a href="mem_8c_source.html#l00018">mem.c:18</a></div></div>
<div class="ttc" id="amem_8h_html"><div class="ttname"><a href="mem_8h.html">mem.h</a></div></div>
<div class="ttc" id="amem_8h_html_a703fa791ab7a14ff983df73b15e9c620a72ef666492d28949f05ecadef120d4e4"><div class="ttname"><a href="mem_8h.html#a703fa791ab7a14ff983df73b15e9c620a72ef666492d28949f05ecadef120d4e4">COAP_OPTLIST</a></div><div class="ttdeci">@ COAP_OPTLIST</div><div class="ttdef"><b>Definition</b> <a href="mem_8h_source.html#l00045">mem.h:45</a></div></div>
<div class="ttc" id="amem_8h_html_a9f9fd8d6cf24f9c45a5501aeba5acaf9"><div class="ttname"><a href="mem_8h.html#a9f9fd8d6cf24f9c45a5501aeba5acaf9">coap_malloc_type</a></div><div class="ttdeci">void * coap_malloc_type(coap_memory_tag_t type, size_t size)</div><div class="ttdoc">Allocates a chunk of size bytes and returns a pointer to the newly allocated memory.</div></div>
<div class="ttc" id="amem_8h_html_ae7214e0c73a4d4290525873e739ed422"><div class="ttname"><a href="mem_8h.html#ae7214e0c73a4d4290525873e739ed422">coap_free_type</a></div><div class="ttdeci">void coap_free_type(coap_memory_tag_t type, void *p)</div><div class="ttdoc">Releases the memory that was allocated by coap_malloc_type().</div></div>
<div class="ttc" id="aoption_8c_html_a08d1a8011577258adfd93d1754becc3e"><div class="ttname"><a href="option_8c.html#a08d1a8011577258adfd93d1754becc3e">coap_add_optlist_pdu</a></div><div class="ttdeci">int coap_add_optlist_pdu(coap_pdu_t *pdu, coap_optlist_t **options)</div><div class="ttdoc">The current optlist of optlist_chain is first sorted (as per RFC7272 ordering requirements) and then ...</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00584">option.c:584</a></div></div>
<div class="ttc" id="aoption_8c_html_a11de99f50cc9f5a34fd9e4d121ecfd13"><div class="ttname"><a href="option_8c.html#a11de99f50cc9f5a34fd9e4d121ecfd13">coap_opt_parse</a></div><div class="ttdeci">size_t coap_opt_parse(const coap_opt_t *opt, size_t length, coap_option_t *result)</div><div class="ttdoc">Parses the option pointed to by opt into result.</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00046">option.c:46</a></div></div>
<div class="ttc" id="aoption_8c_html_a21df6c3988187909d52a3218eb2f12ef"><div class="ttname"><a href="option_8c.html#a21df6c3988187909d52a3218eb2f12ef">coap_new_optlist</a></div><div class="ttdeci">coap_optlist_t * coap_new_optlist(uint16_t number, size_t length, const uint8_t *data)</div><div class="ttdoc">Create a new optlist entry.</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00551">option.c:551</a></div></div>
<div class="ttc" id="aoption_8c_html_a2be7abc95dd3dfc1f1f3f4268ce41101"><div class="ttname"><a href="option_8c.html#a2be7abc95dd3dfc1f1f3f4268ce41101">is_long_option</a></div><div class="ttdeci">COAP_STATIC_INLINE int is_long_option(uint16_t type)</div><div class="ttdoc">Returns true iff type denotes an option type larger than 255.</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00449">option.c:449</a></div></div>
<div class="ttc" id="aoption_8c_html_a2e47362612316659297d3c87fb779187"><div class="ttname"><a href="option_8c.html#a2e47362612316659297d3c87fb779187">filter_op_t</a></div><div class="ttdeci">filter_op_t</div><div class="ttdoc">Operation specifiers for coap_filter_op().</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00452">option.c:452</a></div></div>
<div class="ttc" id="aoption_8c_html_a2e47362612316659297d3c87fb779187a1eaf5fbe94e40a0de737a3efb1eae47a"><div class="ttname"><a href="option_8c.html#a2e47362612316659297d3c87fb779187a1eaf5fbe94e40a0de737a3efb1eae47a">FILTER_CLEAR</a></div><div class="ttdeci">@ FILTER_CLEAR</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00452">option.c:452</a></div></div>
<div class="ttc" id="aoption_8c_html_a2e47362612316659297d3c87fb779187a4f5c6c9055a46ce3a0a63033864eab4a"><div class="ttname"><a href="option_8c.html#a2e47362612316659297d3c87fb779187a4f5c6c9055a46ce3a0a63033864eab4a">FILTER_GET</a></div><div class="ttdeci">@ FILTER_GET</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00452">option.c:452</a></div></div>
<div class="ttc" id="aoption_8c_html_a2e47362612316659297d3c87fb779187a60a196f7d75d979d5025f6638871136c"><div class="ttname"><a href="option_8c.html#a2e47362612316659297d3c87fb779187a60a196f7d75d979d5025f6638871136c">FILTER_SET</a></div><div class="ttdeci">@ FILTER_SET</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00452">option.c:452</a></div></div>
<div class="ttc" id="aoption_8c_html_a4225eb8945afcd42e9d4c50bd7c85ff1"><div class="ttname"><a href="option_8c.html#a4225eb8945afcd42e9d4c50bd7c85ff1">coap_option_filter_op</a></div><div class="ttdeci">static int coap_option_filter_op(coap_opt_filter_t filter, uint16_t type, enum filter_op_t op)</div><div class="ttdoc">Applies op on filter with respect to type.</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00474">option.c:474</a></div></div>
<div class="ttc" id="aoption_8c_html_a553720c443388c45dcc81cf5a3e2979f"><div class="ttname"><a href="option_8c.html#a553720c443388c45dcc81cf5a3e2979f">ADVANCE_OPT_CHECK</a></div><div class="ttdeci">#define ADVANCE_OPT_CHECK(o, e, step)</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00039">option.c:39</a></div></div>
<div class="ttc" id="aoption_8c_html_a5e60b801f6361b8c606aa2b3078c8b7c"><div class="ttname"><a href="option_8c.html#a5e60b801f6361b8c606aa2b3078c8b7c">SHORT_MASK</a></div><div class="ttdeci">#define SHORT_MASK</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00440">option.c:440</a></div></div>
<div class="ttc" id="aoption_8c_html_a683c0121b4028a90f612809437aaa3d0"><div class="ttname"><a href="option_8c.html#a683c0121b4028a90f612809437aaa3d0">coap_opt_size</a></div><div class="ttdeci">size_t coap_opt_size(const coap_opt_t *opt)</div><div class="ttdoc">Returns the size of the given option, taking into account a possible option jump.</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00321">option.c:321</a></div></div>
<div class="ttc" id="aoption_8c_html_a70fa9db0450134640b80cbf7c3720688"><div class="ttname"><a href="option_8c.html#a70fa9db0450134640b80cbf7c3720688">opt_finished</a></div><div class="ttdeci">COAP_STATIC_INLINE int opt_finished(coap_opt_iterator_t *oi)</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00145">option.c:145</a></div></div>
<div class="ttc" id="aoption_8c_html_a7f99f0a8dd81b5ee7824871ebfc384d7"><div class="ttname"><a href="option_8c.html#a7f99f0a8dd81b5ee7824871ebfc384d7">coap_internal_delete</a></div><div class="ttdeci">static int coap_internal_delete(coap_optlist_t *node)</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00613">option.c:613</a></div></div>
<div class="ttc" id="aoption_8c_html_aa97d453559cd009ef64585357f891d4b"><div class="ttname"><a href="option_8c.html#aa97d453559cd009ef64585357f891d4b">ADVANCE_OPT</a></div><div class="ttdeci">#define ADVANCE_OPT(o, e, step)</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00027">option.c:27</a></div></div>
<div class="ttc" id="aoption_8c_html_ac4f857fc9a66eb154efe38d819328102"><div class="ttname"><a href="option_8c.html#ac4f857fc9a66eb154efe38d819328102">coap_delete_optlist</a></div><div class="ttdeci">void coap_delete_optlist(coap_optlist_t *queue)</div><div class="ttdoc">Removes all entries from the optlist_chain, freeing off their memory usage.</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00621">option.c:621</a></div></div>
<div class="ttc" id="aoption_8c_html_ad773b314b1ac7591f38f7b4b04d9e68d"><div class="ttname"><a href="option_8c.html#ad773b314b1ac7591f38f7b4b04d9e68d">order_opts</a></div><div class="ttdeci">static int order_opts(void *a, void *b)</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00573">option.c:573</a></div></div>
<div class="ttc" id="aoption_8c_html_aeafe92535dab93d60c42e586655d2843"><div class="ttname"><a href="option_8c.html#aeafe92535dab93d60c42e586655d2843">coap_insert_optlist</a></div><div class="ttdeci">int coap_insert_optlist(coap_optlist_t **head, coap_optlist_t *node)</div><div class="ttdoc">Adds optlist to the given optlist_chain.</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00600">option.c:600</a></div></div>
<div class="ttc" id="aoption_8c_html_affc9e344d152d043d3039a014f867dd3"><div class="ttname"><a href="option_8c.html#affc9e344d152d043d3039a014f867dd3">LONG_MASK</a></div><div class="ttdeci">#define LONG_MASK</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00439">option.c:439</a></div></div>
<div class="ttc" id="aoption_8h_html"><div class="ttname"><a href="option_8h.html">option.h</a></div><div class="ttdoc">Helpers for handling options in CoAP PDUs.</div></div>
<div class="ttc" id="aoption_8h_html_a963ad4994625360a5ac70d9df2ab5412"><div class="ttname"><a href="option_8h.html#a963ad4994625360a5ac70d9df2ab5412">coap_opt_t</a></div><div class="ttdeci">uint8_t coap_opt_t</div><div class="ttdoc">Use byte-oriented access methods here because sliding a complex struct coap_opt_t over the data buffe...</div><div class="ttdef"><b>Definition</b> <a href="option_8h_source.html#l00025">option.h:25</a></div></div>
<div class="ttc" id="apdu_8c_html_aa1314f60fbc25733cfabaa975adc5aae"><div class="ttname"><a href="pdu_8c.html#aa1314f60fbc25733cfabaa975adc5aae">coap_add_option</a></div><div class="ttdeci">size_t coap_add_option(coap_pdu_t *pdu, uint16_t type, size_t len, const uint8_t *data)</div><div class="ttdoc">Adds option of given type to pdu that is passed as first parameter.</div><div class="ttdef"><b>Definition</b> <a href="pdu_8c_source.html#l00229">pdu.c:229</a></div></div>
<div class="ttc" id="apdu_8h_html_ad46f0093ab0b2b969651b0d45d9bf8d0"><div class="ttname"><a href="pdu_8h.html#ad46f0093ab0b2b969651b0d45d9bf8d0">COAP_PAYLOAD_START</a></div><div class="ttdeci">#define COAP_PAYLOAD_START</div><div class="ttdef"><b>Definition</b> <a href="pdu_8h_source.html#l00255">pdu.h:255</a></div></div>
<div class="ttc" id="astructcoap__opt__iterator__t_html"><div class="ttname"><a href="structcoap__opt__iterator__t.html">coap_opt_iterator_t</a></div><div class="ttdoc">Iterator to run through PDU options.</div><div class="ttdef"><b>Definition</b> <a href="option_8h_source.html#l00237">option.h:237</a></div></div>
<div class="ttc" id="astructcoap__opt__iterator__t_html_a05da7c127d28e7ba39d7186169596f6a"><div class="ttname"><a href="structcoap__opt__iterator__t.html#a05da7c127d28e7ba39d7186169596f6a">coap_opt_iterator_t::next_option</a></div><div class="ttdeci">coap_opt_t * next_option</div><div class="ttdoc">pointer to the unparsed next option</div><div class="ttdef"><b>Definition</b> <a href="option_8h_source.html#l00242">option.h:242</a></div></div>
<div class="ttc" id="astructcoap__opt__iterator__t_html_a0df30f4a2bb85deb3d493fded6967b9d"><div class="ttname"><a href="structcoap__opt__iterator__t.html#a0df30f4a2bb85deb3d493fded6967b9d">coap_opt_iterator_t::type</a></div><div class="ttdeci">uint16_t type</div><div class="ttdoc">decoded option type</div><div class="ttdef"><b>Definition</b> <a href="option_8h_source.html#l00239">option.h:239</a></div></div>
<div class="ttc" id="astructcoap__opt__iterator__t_html_a40a864c48b367abcaed1afa30621f405"><div class="ttname"><a href="structcoap__opt__iterator__t.html#a40a864c48b367abcaed1afa30621f405">coap_opt_iterator_t::filter</a></div><div class="ttdeci">coap_opt_filter_t filter</div><div class="ttdoc">option filter</div><div class="ttdef"><b>Definition</b> <a href="option_8h_source.html#l00243">option.h:243</a></div></div>
<div class="ttc" id="astructcoap__opt__iterator__t_html_a48cbd8005c37ff481fe7d10cfc1f4bb6"><div class="ttname"><a href="structcoap__opt__iterator__t.html#a48cbd8005c37ff481fe7d10cfc1f4bb6">coap_opt_iterator_t::bad</a></div><div class="ttdeci">unsigned int bad</div><div class="ttdoc">iterator object is ok if not set</div><div class="ttdef"><b>Definition</b> <a href="option_8h_source.html#l00240">option.h:240</a></div></div>
<div class="ttc" id="astructcoap__opt__iterator__t_html_a4f8dcbdb5373cb073b95f8c91a72cb0c"><div class="ttname"><a href="structcoap__opt__iterator__t.html#a4f8dcbdb5373cb073b95f8c91a72cb0c">coap_opt_iterator_t::length</a></div><div class="ttdeci">size_t length</div><div class="ttdoc">remaining length of PDU</div><div class="ttdef"><b>Definition</b> <a href="option_8h_source.html#l00238">option.h:238</a></div></div>
<div class="ttc" id="astructcoap__opt__iterator__t_html_a6fed563dd49b61f28a275cd2f8c6f6a8"><div class="ttname"><a href="structcoap__opt__iterator__t.html#a6fed563dd49b61f28a275cd2f8c6f6a8">coap_opt_iterator_t::filtered</a></div><div class="ttdeci">unsigned int filtered</div><div class="ttdoc">denotes whether or not filter is used</div><div class="ttdef"><b>Definition</b> <a href="option_8h_source.html#l00241">option.h:241</a></div></div>
<div class="ttc" id="astructcoap__option__t_html"><div class="ttname"><a href="structcoap__option__t.html">coap_option_t</a></div><div class="ttdoc">Representation of CoAP options.</div><div class="ttdef"><b>Definition</b> <a href="option_8h_source.html#l00031">option.h:31</a></div></div>
<div class="ttc" id="astructcoap__option__t_html_a2358e06e4a5b548cf7f67b398ed24322"><div class="ttname"><a href="structcoap__option__t.html#a2358e06e4a5b548cf7f67b398ed24322">coap_option_t::value</a></div><div class="ttdeci">const uint8_t * value</div><div class="ttdef"><b>Definition</b> <a href="option_8h_source.html#l00034">option.h:34</a></div></div>
<div class="ttc" id="astructcoap__option__t_html_a8c6a106a9200c0241f14fcfa22a64176"><div class="ttname"><a href="structcoap__option__t.html#a8c6a106a9200c0241f14fcfa22a64176">coap_option_t::delta</a></div><div class="ttdeci">uint16_t delta</div><div class="ttdef"><b>Definition</b> <a href="option_8h_source.html#l00032">option.h:32</a></div></div>
<div class="ttc" id="astructcoap__option__t_html_af0e531c8722b480d4ca317b1679a954f"><div class="ttname"><a href="structcoap__option__t.html#af0e531c8722b480d4ca317b1679a954f">coap_option_t::length</a></div><div class="ttdeci">size_t length</div><div class="ttdef"><b>Definition</b> <a href="option_8h_source.html#l00033">option.h:33</a></div></div>
<div class="ttc" id="astructcoap__optlist__t_html"><div class="ttname"><a href="structcoap__optlist__t.html">coap_optlist_t</a></div><div class="ttdoc">Representation of chained list of CoAP options to install.</div><div class="ttdef"><b>Definition</b> <a href="option_8h_source.html#l00408">option.h:408</a></div></div>
<div class="ttc" id="astructcoap__optlist__t_html_a1e0e2a73913a4888f690c6fa43815698"><div class="ttname"><a href="structcoap__optlist__t.html#a1e0e2a73913a4888f690c6fa43815698">coap_optlist_t::number</a></div><div class="ttdeci">uint16_t number</div><div class="ttdoc">the option number (no delta coding)</div><div class="ttdef"><b>Definition</b> <a href="option_8h_source.html#l00410">option.h:410</a></div></div>
<div class="ttc" id="astructcoap__optlist__t_html_a24a8480763cc064bdd31ab4252dce9e2"><div class="ttname"><a href="structcoap__optlist__t.html#a24a8480763cc064bdd31ab4252dce9e2">coap_optlist_t::length</a></div><div class="ttdeci">size_t length</div><div class="ttdoc">the option value length</div><div class="ttdef"><b>Definition</b> <a href="option_8h_source.html#l00411">option.h:411</a></div></div>
<div class="ttc" id="astructcoap__optlist__t_html_a47aa4fd0063b0d91f2b1892cfe0b6175"><div class="ttname"><a href="structcoap__optlist__t.html#a47aa4fd0063b0d91f2b1892cfe0b6175">coap_optlist_t::data</a></div><div class="ttdeci">uint8_t * data</div><div class="ttdoc">the option data</div><div class="ttdef"><b>Definition</b> <a href="option_8h_source.html#l00412">option.h:412</a></div></div>
<div class="ttc" id="astructcoap__pdu__t_html"><div class="ttname"><a href="structcoap__pdu__t.html">coap_pdu_t</a></div><div class="ttdoc">structure for CoAP PDUs token, if any, follows the fixed size header, then options until payload mark...</div><div class="ttdef"><b>Definition</b> <a href="pdu_8h_source.html#l00285">pdu.h:285</a></div></div>
<div class="ttc" id="astructcoap__pdu__t_html_a3c42c790abb815d722fbebcd7702a200"><div class="ttname"><a href="structcoap__pdu__t.html#a3c42c790abb815d722fbebcd7702a200">coap_pdu_t::token</a></div><div class="ttdeci">uint8_t * token</div><div class="ttdoc">first byte of token, if any, or options</div><div class="ttdef"><b>Definition</b> <a href="pdu_8h_source.html#l00296">pdu.h:296</a></div></div>
<div class="ttc" id="astructcoap__pdu__t_html_a8c05f6d455ff81d7751ddb61233a455b"><div class="ttname"><a href="structcoap__pdu__t.html#a8c05f6d455ff81d7751ddb61233a455b">coap_pdu_t::token_length</a></div><div class="ttdeci">uint8_t token_length</div><div class="ttdoc">length of Token</div><div class="ttdef"><b>Definition</b> <a href="pdu_8h_source.html#l00290">pdu.h:290</a></div></div>
<div class="ttc" id="astructcoap__pdu__t_html_ac5018459a3078a5b896119d7464cb273"><div class="ttname"><a href="structcoap__pdu__t.html#ac5018459a3078a5b896119d7464cb273">coap_pdu_t::used_size</a></div><div class="ttdeci">size_t used_size</div><div class="ttdoc">used bytes of storage for token, options and payload</div><div class="ttdef"><b>Definition</b> <a href="pdu_8h_source.html#l00294">pdu.h:294</a></div></div>
<div class="ttc" id="astructopt__filter_html"><div class="ttname"><a href="structopt__filter.html">opt_filter</a></div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00436">option.c:436</a></div></div>
<div class="ttc" id="astructopt__filter_html_a2af5db3760843fc2840f53b67c6b8fdf"><div class="ttname"><a href="structopt__filter.html#a2af5db3760843fc2840f53b67c6b8fdf">opt_filter::mask</a></div><div class="ttdeci">uint16_t mask</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00437">option.c:437</a></div></div>
<div class="ttc" id="astructopt__filter_html_a94601c60d5c19a641359f8d8f901e6f4"><div class="ttname"><a href="structopt__filter.html#a94601c60d5c19a641359f8d8f901e6f4">opt_filter::short_opts</a></div><div class="ttdeci">uint8_t short_opts[COAP_OPT_FILTER_SHORT]</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00444">option.c:444</a></div></div>
<div class="ttc" id="astructopt__filter_html_ad53238ffdb6f53a7d4f97644e7703e9c"><div class="ttname"><a href="structopt__filter.html#ad53238ffdb6f53a7d4f97644e7703e9c">opt_filter::long_opts</a></div><div class="ttdeci">uint16_t long_opts[COAP_OPT_FILTER_LONG]</div><div class="ttdef"><b>Definition</b> <a href="option_8c_source.html#l00443">option.c:443</a></div></div>
<div class="ttc" id="authash_8h_html_aba7bc1797add20fe3efdf37ced1182c5"><div class="ttname"><a href="uthash_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a></div><div class="ttdeci">unsigned char uint8_t</div><div class="ttdef"><b>Definition</b> <a href="uthash_8h_source.html#l00079">uthash.h:79</a></div></div>
<div class="ttc" id="autlist_8h_html"><div class="ttname"><a href="utlist_8h.html">utlist.h</a></div></div>
<div class="ttc" id="autlist_8h_html_a0b2137d4a0c157cb7a1a30d9340ece31"><div class="ttname"><a href="utlist_8h.html#a0b2137d4a0c157cb7a1a30d9340ece31">LL_SORT</a></div><div class="ttdeci">#define LL_SORT(list, cmp)</div><div class="ttdef"><b>Definition</b> <a href="utlist_8h_source.html#l00108">utlist.h:108</a></div></div>
<div class="ttc" id="autlist_8h_html_a487c0ce49f397e1743caae16a797e4bb"><div class="ttname"><a href="utlist_8h.html#a487c0ce49f397e1743caae16a797e4bb">LL_FOREACH</a></div><div class="ttdeci">#define LL_FOREACH(head, el)</div><div class="ttdef"><b>Definition</b> <a href="utlist_8h_source.html#l00413">utlist.h:413</a></div></div>
<div class="ttc" id="autlist_8h_html_ace33c571c3df78e721a99a4494983855"><div class="ttname"><a href="utlist_8h.html#ace33c571c3df78e721a99a4494983855">LL_APPEND</a></div><div class="ttdeci">#define LL_APPEND(head, add)</div><div class="ttdef"><b>Definition</b> <a href="utlist_8h_source.html#l00338">utlist.h:338</a></div></div>
<div class="ttc" id="autlist_8h_html_ad0a695664d31f0b929fd50b39ebcf0ef"><div class="ttname"><a href="utlist_8h.html#ad0a695664d31f0b929fd50b39ebcf0ef">LL_FOREACH_SAFE</a></div><div class="ttdeci">#define LL_FOREACH_SAFE(head, el, tmp)</div><div class="ttdef"><b>Definition</b> <a href="utlist_8h_source.html#l00419">utlist.h:419</a></div></div>
</div><!-- fragment --></div><!-- contents -->
</div><!-- doc-content -->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
  <ul>
    <li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="option_8c.html">option.c</a></li>
    <li class="footer">Generated on Fri Dec 27 2024 09:57:44 for libcoap by <a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.9.8 </li>
  </ul>
</div>
</body>
</html>
